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bad or misreading MAP or MAF sensors, bad ECT sensor, bad TPS sensor, stuck open fuel injector, or problem with fuel system, faulty parameters set in ECU or bad ECU.
What else can I help you with?
What causes black smoke coming out of a car?
The most probable cause is combustion of a rich mixture of fuel.
What causes a car to make Black Smoke?
to much fuel. gm jim Fuel to air mixture too rich or choke stuck on.
What causes the air-fuel mixture to become too rich?
bad or misreading MAP or MAF sensors, bad ECT sensor, bad TPS sensor, stuck open fuel injector, or problem with fuel system, faulty parameters set in ECU or bad ECU.
What causes high CO readings in auto emissions test results?
High CO is a rich air/fuel mixture. Nothing else.
What causes a catalytic converter to turn red on Nissan exterra?
It is partially clogged, cylinder miss, or the fuel/air mixture is too rich.
What is it called when there is too much fuel in a fuel and air mixture?
A rich condition.
Damage caused by bad catalytic converter on Lincoln ls 2002?
Usually when a Catalic Converter becomes unusable, it is usually caused by a enriched fuel system. The rich fuel mixture causes the internal catalyst to become they usually generally melted down inside. This excessive heat is built up when the engine is running in a "too rich fuel mixture". After the converter has been replaced, the automobile should be taken to a repair facility, and have them connect their electronic control monitoring equipment to your on board computer, so the reason for the enriched fuel mixture can be determined and repaired.
What causes the inside of a tailpipe to become black?
mixture is too rich, is this carb. or injection? Have it checked. Some of this discoloration is normal - caused by carbon monoxide.
Can a rich air fuel mixture cause engine blow by?
Yes
What could cause a fuel smell and difficulty when starting a 2003 Expedition?
one possibility is that the fuel pressure regulator is leaking therefore fuel draws through the vacuum line in your intake manifold and causes a rich fuel mixture, that would cause a noticable fuel odor and hard starting.
What is the effect of air fuel ratio on detonation in internal combustion engine?
A leaner fuel mixture burns hotter than a rich mixture. so a leaner mixture will be more prone to detonation than a richer mixture.
You have black smoke coming from your exhaust?
You are running too rich. the mixture of fuel and air has too much fuel in it,
