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This will depend on the age of the vehicle. Older carburetor fueled vehicles have needle adjustments to control the fuel air mix. Newer vehicles are computer controlled, and may need the computer codes checked for an issue.

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11y ago

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Related Questions

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 when a car is running to rich?

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).


Why my car start after blowing blue smoke?

Engine oil could be running too rich or rings!


What does a car running stoich mean?

14.7:1 --- Air : Fuel Ratio. perfect. not lean, not rich.


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


Why your civic running to rich?

Your civic could be running too rich because you used bad gasoline. It could also be running rich if a spark plug needs replaced.


How can you stop a 1994 Honda Prelude Vtech from running rich?

if your car is running rich, then you need to either get your ecu tuned to adjust it. Or get a controller like a SAVC or Hondata. For a performance motor like an h22 a properley dyno tuned ecu makes all the difference.


What does car smoke smell of?

It all depends if the car is running lean or rich, if its burning oil, if its burning coolant. a clean running car doesn't really have a strong smell. By the way, exhaust fumes are toxic. It contains carbon monoxide and it is highly toxic. So don't go around smelling car smoke.


Why are the spark plugs black on my 1993 Toyota tercel?

if the spark plugs are black because your car is running too rich. your plugs are fouled.


How do you fix the fuel running too rich?

If the fuel is running too rich in a car, it would be a good idea to adjust the EFI or Electronic Fuel Injector (carburetor). It would also be a good idea to make sure that all of the air cleaners and oxygen sensors are clean and functioning properly.

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