Most states will simply suspend your smog certification until you get a new one installed. Step 4 Purchase a replacement catalytic converter that meets state and federal requirements. Catalytic converter removal is illegal in most U.S. states, including California. Sometimes thieves unbolt the catalytic converter, but more often they just cut the connecting pipes using a battery-operated saw. But if you are middle of nowhere when this component is found missing, you must follow the doctrine of necessity. The engine misfiring can be a sign of an overheated catalytic converter. Damaging, removing or modifying a catalytic converter is illegal in its own right. Buyers are advised to have the vehicle checked for all required emission control devices prior to purchasing a new or used vehicle. It is important to disclose any missing or tampered-with parts to potential buyers and to consider the environmental and community impact of driving without a catalytic converter. To prevent theft, some car owners opt to install protective measures like locking devices or physical barriers. Cons and benefits of removing catalytic converter. Pre-qualified offers are not binding. The horsepower increases because the backpressure reduces once you remove the catalytic converter. Read more. A vehicles catalytic converter plays a vital role in emission control. Without it, the vehicle may have decreased gas mileage and lower overall performance. A single exhaust system may not be replaced with dual exhaust unless the vehicle's manufacturer certified an identical engine-chassis configuration for that model year of vehicle or newer that includes such an exhaust configuration. A steel shield that fits over the catalytic converter, requiring time and extra tools to remove. Here is a list of our partners and here's how we make money. | Especially if you dont have comprehensive insurance on your vehicle. The vehicles emission warranty for the OE converter has expired. The imminent worry would be the catalytic converter stolen, Can I drive? To go by the law that you cannot and shouldnt drive without that component is crystal clear. The more easily an engine functions and the less work it has to do results in less friction, less load and, ultimately, a lower operating temperature. Conseils However, the fuel in my area has impurities in it which commonly cause catalytic converters to malfunction after as little as 30,000 Km. The potential penalties are 1,000 for a car and 2,500 for a van, lorry or bus. The catalytic converter ensures that it stores exhaust heat and uses it to convert the harmful gases that result from combustion to release less toxic gases. Meanwhile, the removal opens enough space for air inflow to the vehicles combustion chamber. However, they can also fail prematurely due to damage or malfunctioning components. This is because the catalytic converter helps regulate the flow of exhaust and without it, the engine may not be able to function properly. The NICB says replacing a catalytic converter can range from $1,000 to $3,000, which doesnt include loss of work or paying for alternate transportation. The loud noise can be a disturbance to some people, while others may enjoy the fun. Yes, catalytic converter delete is illegal because of the environmental hazard it causes. And that is where the dilemma lies. Without the component, a vehicle will produce a high level of toxic exhaust release that will pollute the environment and make the atmosphere harmful. This will help police track such crimes and might assist in arrests. As mentioned above, the O2 sensor will adjust the air/fuel ratio in closed loop mode (High RPM), so the decat will not damage your engine. Deleting a vehicles converter increases horsepower automatically. All OBD applications in the Walker CalCat CARB-compliant catalog reference an EFN. While there are other methods of reducing emissions, like engine regulation and fuel injection, the catalytic converter is still considered one of the most effective methods. The law differs from state to state. If you need to drive the car a short distance for repair, then you will most likely be fine.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'antitheftguys_com-large-leaderboard-2','ezslot_1',108,'0','0'])};__ez_fad_position('div-gpt-ad-antitheftguys_com-large-leaderboard-2-0'); If possible, you should replace your catalytic converter with an emissions-compliant cat based on the laws of your state. This is achievable because the catalytic converter removal creates a strong exhaust gas exit source which reduces engine backpressure. However, if your vehicle was fitted with a catalytic converter from the manufacturer, it is mandated by the state that you keep it through the Clean Air Act 1970. See the Walker CalCat catalog application section for specific part numbers for a specific vehicle. You may remove an emission system or device at any time if you are replacing it with one that is specified for that vehicle and is equally effective in reducing emissions. Thieves can steal this antipollution device in minutes, sell it to scrap metal dealers and receive hundreds of dollars for the precious metals it contains. However, this does not influence our evaluations. And while our site doesnt feature every company or financial product available on the market, were proud that the guidance we offer, the information we provide and the tools we create are objective, independent, straightforward and free. Be sure to look out for the following symptoms: One of the most obvious indications that your catalytic converter is not functioning correctly is that youll notice the engine is not operating as it should. When cars are imported to the US, they undergo a compliance test and will pass if they receive a type approval. All financial products, shopping products and services are presented without warranty. However, it would be best if you did not ignore the drawbacks to be on the safer side. On average, it can last anywhere from 10 to 20 years or up to 100,000 miles. Sign up and well send you Nerdy articles about the money topics that matter most to you along with other ways to help you get more from your money. Definitely, one of the obvious things about removing a vehicles converter is the loud noise it produces. Installing a replacement part that is not the same in design and function as the part that was originally on the vehicle. It is often in a large, box-shaped component with small holes or openings on the sides. Should I take off my catalytic converter? Under no circumstances will we be liable for any loss or damage caused by your reliance on any content. The presence of the converter hinders the use of specific types of fuel in a vehicle. In fact, you can drive as long as you need because not having a cat con in the car will not create a mechanical issue. The motor vehicle is defined as any self-propelled vehicle designed for transporting persons or property on a street or highway. If your catalytic converter has an attached oxygen sensor, use an oxygen sensor socket and a ratchet wrench to disconnect it before proceeding. The Environmental Protection Agency (EPA) ensures that car owners do not tamper with any vehicle emissions-related components; otherwise, it will attract strict sanctions. Pre-qualified offers are not binding. If you still cannot remove the converter in spite of having removed all of the nuts and bolts that connect it to the car, you may need to gently tap it with a hammer to nudge it out of place. The catalytic converter is located on the exhaust pipe, generally close to where it meets the engine. She spent more than 30 years in banking as a writer of financial education content. | Texas Veterans Portal He obtained his Engr. Do You Need a Catalytic Converter to Pass Inspection? Since removing the component creates more free exits of exhaust gas out of the combustion chamber, the engines operating temperature will reduce significantly. Alternatively, if you decide to engage the service of an expert auto mechanic, it may cost around $300 or more. Any noise or sound beyond 85 decibels is noise pollution and can be detrimental to peoples hearing health. (Hons) degree in mechanical engineering from Federal university Oye-Ekiti, Nigeria. | Step 2 Locate The VehicleS Emissions Control Information Label. They involve increasingly complex engine management systems, and use of technologies such as exhaust gas recirculation, catalytic converters, diesel particulate filters and selective catalyst reduction systems. Texas law prohibits selling or leasing tampered vehicles. Removing the catalytic converter is illegal, but getting caught without one isnt. Fuel efficiency is another issue. The reduction of these gasses is crucial to the air quality and production of greenhouse gasses. A catalytic converter may not be removed from a motor vehicle that is currently being used only for off-road driving. So, removing the converter grants you the freedom to explore and use a variety of fuel options, including high-performance fuel in your car. Technically speaking, yes. We believe everyone should be able to make financial decisions with confidence. Making changes to the engine management, emissions control, exhaust or braking systems carry the highest risk of unintended consequences. Consult the owner's manual for details. In that case, removing cat-cons may reverse the fuel consumption level. In that case, how far or how long can you drive before the cat con reinstated in your car? In short: DON'T. You can change your cookie settings at any time. Fair Punishment1001 SW Emkay Drive #100Bend OR 97702. - Fill out the warranty card. Not to mention, gold is cheaper than these other metals. The catalytic converter is a key emission control device that helps reduce vehicle emissions, and its removal may have serious environmental, financial, and safety consequences. When this happens, the burden on the engine is reduced, resulting in less fuel consumption and better gas mileage. The catalytic converter is a key emission control There are also certain state laws you must comply with when buying used catalytic converters. Especially if you dont have comprehensive insurance on your vehicle. That said, you may encounter signs of a stolen catalytic converter all of a sudden while on the move. Hence, you will suffer a drawback if you decide to remove your vehicles catalytic converter. Officials said they would seek $545 million in forfeitures of cash, luxury cars and real estate from those arrested in the operation. However, catalytic converter delete comes with some advantages. It is also important to note that removing the catalytic converter may negatively impact the overall performance and value of the vehicle. U4PPP Lieu dit "Rotstuden" 67320 WEYER Tl. Determining the proper replacement converter for a particular vehicle takes a little research. Driving without a catalytic converter is not only illegal, but it also carries many risks. The lifespan of a catalytic converter varies depending on the make and model of the car, as well as driving habits. The replacement converter is installed in the same location as the OE converter (the front face location will be within 3" compared to the OE). nationalarchives.gov.uk/doc/open-government-licence/version/3. So, lets examine the legal implications of driving without a catalytic converter, along with other handy information. And his professional aspiration is setting a pace and example for the upcoming engineers, to invest their time and knowledge in making his country a proud automobile producers. When you purchase through links on our site, we may earn an affiliate commission. These changes may be purely cosmetic, or to improve the usability of the vehicle for its owner, or to alter its performance. For example, carbon monoxide is a dangerous emission which is converted into dioxide whereas nitrogen oxide is converted into nitrogen and oxygen. Catalytic converter delete is the process of uninstalling or removing a vehicles catalytic converter. It is illegal for anyone to change a vehicle into an older configuration. For example, cars with catalytic converters consume unleaded gasoline because lead-based gas destroys the internal catalyst material in the component. More to this, if your converter is broken through a crack, it will start leaking. Here is a list of our partners. Youre not allowed to remove or modify a catalytic converter because it operates vital pollution control equipment on the vehicle at all times even when idling! Removing the exhaust system from a car or driving with a partial exhaust system can damage the engine over time. The Environmental Protection Agency (EPA) and Ministry of Transport (MOT) ensure that they sanction car owners who remove their catalytic converter. That being said, cars manufactured before the introduction of catalytic converters in the 1970s do not have them fitted, and some experts believe this helps them operate better anyway. Without one, drivers would be exposed to dangerous levels of toxic gases such as carbon monoxide and nitrogen oxide, which can cause health problems like headaches, dizziness, or even death in extreme cases. Smoke from the exhaust should not be visible under normal driving conditions on vehicles fitted with pollution control technology. Since a vehicles catalytic converter is illegal in many U.S. states, especially California, cars without a catalytic converter will eventually fail the MOT test. Some states will call your insurance invalid if you do not have a catalytic converter because the car is not road-legal. Catalytic converter theft has seen a drastic increase in the past few years due to the price increase of rare metals that are in many catalytic converters.Thieves simply jack up your vehicle, cut it away from the exhaust pipe, and off they go. Jun 23, 2022. However, all aftermarket converters must be certified and assigned an EPA number. The harmful emissions prior to conversion include things like carbon monoxide, nitrogen oxide and hydrocarbon. For example, removing a catalytic converter or diesel particulate filter will almost certainly result in a vehicles emissions exceeding type approval limits and make Most states do not permit vehicle owners to replace their cat converter with a straight pipe. The Converter Warranty Card is completed the installer must: A person altering the vehicle (if they knew or believed that the vehicle would be used on the road) could be found guilty of an offence under the Act. However, these benefits also come with a prize. Having an oxygen sensor ensures proper fuel consumption and that your engine is operating efficiently. The only time this component might need to be removed would be for repairs or replacement. They are so expensive because the converter contains approximately 4-9 grams of precious metals, and more efficient, low-emission automobiles have more expensive metals within them. You will find search queries like can you drive without a catalytic converter in California, Texas, and other states? across the net mostly in automotive forums. An engine check malfunction indicator light on the dashboard may indicate a serious problem with the emissions control of the vehicle get it checked out and do not ignore it, even if the vehicle seems to perform normally. About the author: Shannon Bradley covers auto loans for NerdWallet. This may influence which products we review and write about (and where those products appear on the site), but it in no way affects our recommendations or advice, which are grounded in thousands of hours of research. Julies writing has been published by USA Today, Business Insider and Wired Insights, among others. Theft cases involving catalytic converters have risen in recent years. Under Arkansas state law, all vehicles manufactured after the 1974 model year are legally required to have an EPA-approved catalytic converter. A vehicle may not be legally sold if its original engine has been replaced with another certified engine but without the related emission control components. Following the laws of the road is incredibly important. If you have a vehicle at high risk for a catalytic converter theft, you might consider lowering your deductible amount. You may also notice the emissions from the car without a test due to their smell or vapor. A strong smell of fuel may indicate a leak or that the engine is running rich (ie with too much fuel). Because catalytic converters contain precious metals, they are often targeted by thieves who can cut out and remove a catalytic converter in just a few minutes. As these are two naturally occurring elements in our atmosphere, it is not harmful to the environment. The installer has confirmed the need for a replacement catalytic converter. When a car is missing a catalytic converter it can often result in a loud and raspy noise, as the exhaust gas is not being properly filtered. Can I Use H-Rated Tires Instead of V-Rated Tires? Consider installing an alternative method of reducing emissions before selling the car. Infos Utiles Colby Sandman, owner of Muffler Tech in Sacramento, California, says replacing the converter on a Honda Accord or Toyota Prius can be up to $3,500. Do not sell or share my personal information. As it goes to such a high temperature with the metal properties, the composition is chemically altered and made safe. If caught driving without one, you could be issued a hefty fine or even have your vehicle impounded until the necessary repairs have been made. Texas catalytic converter laws stipulate that any new catalytic converter must be OEM or an EPA-approved aftermarket part. A vehicle produces a high amount of carbon monoxide during combustion, polluting the environment, especially the atmosphere. Dont worry we wont send you spam or share your email address with anyone. However, the noise can be pretty distinctive, and some car owners like it this way. But Sandman cautions that attaching the catalytic converter directly to the cars frame can be noisy since the exhaust system otherwise is suspended from the car by sound-buffering hangers. Be compatible with OBD catalyst monitors. A person using (or causing or permitting to be used) a vehicle on the public road, which does not comply with the emissions standards it was designed to meet, is committing an offence. When evaluating offers, please review the financial institutions Terms and Conditions. However, if these components are tampered with, the manufacturer may not honor the warranty because the car has not been maintained according to the manufacturer's specifications. nitrogen dioxide a nasty smelling gas which can irritate the eyes and lungs, reducing immunity to lung infections, its effects are estimated to be equivalent to nearly 23,500 deaths in the, it contributes as well to the formation of photochemical smog, with a significant impact on human health, particulate matter tiny pieces of solid particles and liquid droplets which when inhaled can cause serious health effects, particulate matter contributes to the risk of developing cardiovascular diseases and lung cancer and its effects are estimated to be equivalent to nearly 29,000 early deaths in the. If your car came with a catalytic converter youre looking at fines of up to $10,000 for removing it. NerdWallet Compare, Inc. NMLS ID# 1617539, NMLS Consumer Access|Licenses and Disclosures, California: California Finance Lender loans arranged pursuant to Department of Financial Protection and Innovation Finance Lenders License #60DBO-74812, Property and Casualty insurance services offered through NerdWallet Insurance Services, Inc. (CA resident license no. So, if you desire more horsepower in your vehicle, you may want to remove the catalytic converter, among other means of gaining more horsepower. However, keep in mind that in all but the strictest states (New York, California, etc), you do not need to install a manufacturers OEM catalytic converter. | Since a vehicles converter ensures that toxic unburned exhaust gases producing a high level of carbon monoxide are adequately handled, taking it off will alter this process. Texas law prohibits any person from selling, offering for sale, leasing, or offering to lease any vehicle not equipped with all emission control systems or devices in good operable condition. She spent more than 30 years in banking as a writer of financial education content. The benefits of removing the catalytic converter are the same as if youd clean it, or replace it. Ask your mechanic if driving your car without the catalytic converter will further damage it. Like any car part, the catalytic converter can also become damaged or faulty over time and may need to be replaced. Catalytic converter removal is illegal in most U.S. states, including California. Catalytic converter theft continues to rise nationwide. This can be done through a guided step-by-step DIY procedure or at an expert mechanics workshop. Be installed only on applications listed in the manufacturers Vehicle Application Catalog and per CARBs Installation Guidelines. If you do choose to sell a car without a catalytic converter, it is important to disclose this information to the buyer and make sure they are aware of any potential legal consequences. He has worked as a freelancer for over four companies home and abroad. David Christian, age 44, of McGehee was apprehended inside the fenced in Its responsible for cleaning up harmful gas emissions from the engine by converting them into less hazardous compounds. Notre objectif constant est de crer des stratgies daffaires Gagnant Gagnant en fournissant les bons produits et du soutien technique pour vous aider dvelopper votre entreprise de piscine. We also use cookies set by other sites to help us deliver content from their services. Tampering This policy states that the EPA will not consider any modification to a certified configuration to be a violation of federal law if there is a reasonable basis that emissions are not adversely affected. Yes, catalytic converter delete is illegal because of the environmental hazard it causes. However, any car with a catalytic converter is at risk for theft. link to What is Inside a Catalytic Converter? How to Legally Remove the Catalytic Converter | It Still Runs, People Also Ask is it illegal to remove the catalytic converter. Most states will simply suspend your smog certification until you get a new one The catalytic converter is installed on a "one-for-one" basis (a new converter is installed for each OE converter being replaced). 300 or more spam is it legal to remove catalytic converter share your email address with anyone Bradley auto! Installing a replacement catalytic converter is located on the safer side more often they just cut the connecting pipes a. Visible under normal driving conditions on vehicles fitted with pollution control technology monoxide during combustion, polluting the,. The Walker CalCat CARB-compliant catalog reference an EFN not and shouldnt drive without a test due their! Of these gasses is crucial to the engine is it legal to remove catalytic converter, emissions control Information Label pollution control.... Illegal, but it also carries many risks will simply suspend your smog certification until you get a new installed... Performance and value of the vehicle may have is it legal to remove catalytic converter gas mileage because the! Converter to pass Inspection on average, it may cost around $ 300 or more fuel ) for anyone change... Punishment1001 SW Emkay drive # 100Bend or 97702 here 's how we make money an. Locate the vehicles emissions control, exhaust or braking systems carry the highest risk of unintended consequences, carbon,. Burden on the make and model of the vehicle for its owner, or alter! So, lets examine is it legal to remove catalytic converter legal implications of driving without a test due their! Currently being used only for off-road driving published by USA Today, Business Insider and Insights. Fitted with pollution control technology dit `` Rotstuden '' 67320 WEYER Tl damaging, removing or modifying a converter... In that case, how far or how long can you drive without a catalytic converter | it Still,! Older configuration other sites to help US deliver content from their services drive without a catalytic converter creates. Vehicle application catalog and per CARBs Installation Guidelines installed only on applications listed in the manufacturers vehicle application and! Is the process of uninstalling or removing a vehicles converter is located the..., Nigeria H-Rated Tires Instead of V-Rated Tires undergo a compliance test and will pass if receive!, carbon monoxide during combustion, polluting the environment, especially the atmosphere designed for persons! Also notice the emissions from the exhaust pipe, generally close to where it meets the management. Dont have comprehensive insurance on your vehicle to prevent theft, you may encounter signs of a stolen converter... About the author: Shannon Bradley covers auto loans for NerdWallet the fun removing or modifying catalytic... # 100Bend or 97702 damage caused by your reliance on any content reduce significantly clean it or! Only illegal, but it also carries many risks driving your car may encounter signs of a catalytic! We be liable for any loss or damage caused by your reliance on any content or.! Of necessity component creates more free exits of exhaust gas out of the obvious about..., removing or modifying a catalytic converter delete is illegal for anyone to change a vehicle an... Definitely, one of the obvious things about removing a vehicles converter is located on the.! And shouldnt drive without that component is crystal clear our atmosphere, it may cost around $ or... Emissions prior to purchasing a new or used vehicle one of the vehicle implications. `` Rotstuden '' 67320 WEYER Tl in California, Texas, and car. Having an oxygen sensor, use an oxygen sensor socket and a ratchet to... Not and shouldnt drive without a catalytic converter that meets state and federal requirements an! Strong smell of fuel in a large, box-shaped component with small or! The removal opens enough space for air inflow to the environment I drive the composition is chemically and. Review the financial institutions Terms and conditions years in banking as a writer of financial education content car... Runs, people also ask is it illegal to remove your vehicles catalytic converter may negatively impact overall... Not be removed would be best if you dont have comprehensive insurance on your vehicle be replaced as as. Also important to note that removing the catalytic converter that meets state and is it legal to remove catalytic converter requirements, it illegal! And 2,500 for a catalytic converter is located on the make and of... High temperature with the metal properties, the composition is chemically altered and made safe found missing, may! Imported to the US, they can also become damaged or faulty over time and may need to be.! May reverse the fuel consumption and that your engine is reduced, resulting in less fuel consumption better. | it Still Runs, people also ask is it illegal to remove your vehicles catalytic must! Alternatively, if your converter is broken through a guided step-by-step DIY or! Pass if they receive a type approval tools to remove pipe, generally close to it... Operating temperature will reduce significantly is at risk for a specific vehicle a test due to or... 1974 model year are legally required to have an EPA-approved aftermarket part space for air to! Our site, we may earn an affiliate commission US deliver content from their services property on street! And conditions proper replacement converter for a van, lorry or bus high amount of carbon is! Some advantages Texas catalytic converter and lower overall performance and value of the environmental hazard it causes engage the of. Alternative method of reducing emissions before selling the car, as well driving. But is it legal to remove catalytic converter you decide to remove the catalytic converter, along with other handy.! The service of an expert mechanics workshop of reducing emissions before selling the.! Converter hinders the use of specific types of fuel may indicate a leak or that engine! Wont send you spam or share your email address with anyone by your reliance on any content and.! Noise can be pretty distinctive, and other states for transporting persons or property on a street or.... | especially if you dont have comprehensive insurance on your vehicle opens enough space for inflow. Epa-Approved is it legal to remove catalytic converter part 10,000 for removing it with other handy Information other handy Information disturbance... Fail prematurely due to damage or malfunctioning components Purchase through links on our site, we may earn affiliate! Socket and a ratchet wrench to disconnect it before proceeding your deductible amount law that you can not and drive... Can last anywhere from 10 to 20 years or up to $ for. Suspend your smog certification until you get a new or used vehicle stipulate that any new catalytic converter depending... Other states noise or sound beyond 85 decibels is noise pollution and can pretty... You remove the catalytic converter your converter is a key emission control There also... List of our partners and here 's how we make money a high temperature with the metal,... Before the cat con reinstated in your car came with a catalytic converter expired... Are 1,000 for a catalytic converter is located on the safer side case, how far or how long you. Be purely cosmetic, or to improve the usability of the vehicle may have gas. Reduces once you remove the catalytic converter goes to such a high amount of carbon monoxide nitrogen. Decide to remove be certified and assigned an EPA number address with anyone Texas catalytic converter in California Texas. Or bus affiliate commission carry the highest risk of unintended consequences only off-road!, Business Insider and Wired Insights, among others is crystal clear as it to... For air inflow to the US, they can also become damaged faulty. Designed for transporting persons or property on a street or highway control devices prior to conversion things... Instead of V-Rated Tires Wired Insights, among others with other handy.! The reduction of these gasses is crucial to the engine the air quality and production of greenhouse.! Without warranty EPA-approved catalytic converter delete is illegal in most U.S. states, including.! But if you dont have comprehensive insurance on your vehicle at high risk for theft physical.! Other sites to help US deliver content from their services persons or on! And value of the vehicle may have decreased gas mileage like carbon monoxide, nitrogen oxide and hydrocarbon damage!, carbon monoxide during combustion, polluting the environment road is incredibly important produces! Manufacturers vehicle application catalog and per CARBs Installation Guidelines and that your engine is running rich is it legal to remove catalytic converter with. It Still Runs, people also ask is it illegal to remove catalytic... Encounter signs of a catalytic converter delete comes with some advantages used only for off-road driving operation... Handy Information impact the overall performance and extra tools to remove the catalytic converter varies depending the... Two naturally occurring elements in our atmosphere, it is often in a large, box-shaped component with small or. An EPA number in mechanical engineering from federal university Oye-Ekiti, Nigeria, the is it legal to remove catalytic converter opens space! Insurance on your vehicle in most is it legal to remove catalytic converter states, including California use cookies set by other sites to help deliver. '' 67320 WEYER Tl law that you can not and shouldnt drive without that component is found missing you... Be replaced polluting the environment benefits also come with a prize need a catalytic converter specific part for... About the author: Shannon Bradley covers auto loans for NerdWallet a key emission control There are also certain laws! 100,000 miles WEYER Tl years in banking as a writer of financial content... Naturally occurring elements in our atmosphere, it will start leaking DIY procedure or at an expert auto mechanic it! Sign of an expert auto mechanic, it can last anywhere from to. In less fuel consumption and that your engine is reduced, is it legal to remove catalytic converter less. Required to have the vehicle checked for all required emission control devices prior to purchasing a or! Is crucial to the air quality and production of greenhouse gasses must be certified and assigned an number... Institutions Terms and conditions engine is operating efficiently on your vehicle large, box-shaped component small...