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If a car is running too rich, the air to fuel mixture is not right. Running rich means that there is too much fuel (gas) going into the engine for the amount of air going in. On the opposite side, too lean would mean that there is not enough fuel going in for the amount of air. Cars can run rich when the oxygen sensors go bad, or on older cars, if the carburetor is not adjusted properly. Running rich can be accompanied by a distinct exhaust smell, and in the extreme cases, some blue smoke. The inside of the exhaust pipe will be black if a car has run rich for any amount of time (when it's cool, take a light colored rag and wipe it inside the end of the tailpipe-if it comes out black, the car is probably running rich).
What else can I help you with?
What does a car running stoich mean?
14.7:1 --- Air : Fuel Ratio. perfect. not lean, not rich.
Why is car blowing black smoke?
It is the car running too rich. or the car is using more gas than air.
What causes backfire in a 1992 Honda civic?
Your car is running too rich.
What does it mean if a car is not running?
that something is wrong with it
What does the 27 code mean for 89 Toyota truck?
Engine is running rich
Car is not running right?
what do u mean not running right? is it miss firing, etc?
Why my car start after blowing blue smoke?
Engine oil could be running too rich or rings!
When you back up and hit the brake the car stops running?
If you back up and hit the brakes and the car stops running, this is likely to mean that the car is not working properly. It is most likely to mean that the fuses are going out.
When i start my car it has a rich carbon like smell?
It is more than likely running rich. The Check Engine Light should be on if that is the case. Have the ECU scanned.
What does a oxygen sensor do in a 2007 Kia?
it sense oxygen come out from your engine to tell the PCM your car is running rich or Lean
What do codes p0171 and p0174 mean?
p0171 andpo174 mean that you're car is running lean
What does it mean if your car does not turnover?
It means that it has not completed a full revolution in the firing order to keep the car running or on ..
