clean your maf(mass air flow sensor)
The engine may backfire excessively. You may also smell a strong exhaust odor in the riding position. In worst cases, it can cause the engine to run lean.
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Exhaust engine smoke and gas smells can be caused by several factors, including incomplete combustion of fuel, oil leaks, or a malfunctioning engine component. Blue smoke typically indicates burning oil, while black smoke suggests excess fuel is being burned. Additionally, a rich fuel mixture or a failing catalytic converter can contribute to strong gas odors in the exhaust. Regular maintenance and timely repairs are essential to mitigate these issues.
Try replacing your Oxygen sensors they are located on the catalytic converter. I had the same problem with my 94 Caprice and that turned out to be the problem.
You may have a blown head gasket, or less likely a cracked engine block. In either case, some symptoms are a loss of power/ rough running engine and white exhaust smoke.
possible blown head gasket, and a fuel leak /// unless is a diesel engine, in which case it probably running too rich, possible turbo, possible valve timing, possible intercooler
Depends on the engine, really.
one way to check for leaks on your exhaust is to jack your car up get a strong blue LED torch and scan the exhaust starting from the engine mount right the way down the tell tale sign's of having an exhaust leak is , if you see a charcoal colored substance on your exhaust that means either a hole is there or one is developing another way is to think back are you putting a lot more fuel in the car than you normally did ? as when exhausts get holes in it lets AL-OT more carbon emissions out there for basically just drinks your fuel
A strong odor of exhaust inside a car while idling or using the heater often indicates a leak in the exhaust system, allowing harmful fumes to enter the cabin. This can occur due to damaged gaskets, cracked exhaust pipes, or issues with the heater core, which may allow exhaust gases to mix with the vehicle's heating system. It's crucial to address this issue promptly, as inhaling exhaust fumes can be dangerous to health. Regular maintenance and inspections can help prevent such problems.
Without knowing the milege or condition of the body, selling the car in good condition would bring you in 1500, maybe. Kelly Blue Book cites a thunderbird in excellent condition with 140000 miles at $2015.
Signs that a catalytic converter is failing include a decrease in engine performance, such as reduced acceleration and power. You may also notice a drop in fuel efficiency and hear unusual noises like rattling from underneath the vehicle. Additionally, the check engine light may illuminate, often accompanied by diagnostic trouble codes related to the exhaust system. Lastly, a strong sulfur smell or exhaust fumes can indicate a problem with the converter.