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it depends on many things. if is an old car carburated and it is rough at idle, then mixture could be a factor.
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∙ 13y ago
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What will make your 96 suburban idle rough and popping noise from tailpipe?
Possibly the fuel mixture is too "rich" or has too much gas in the fuel to air ratio. This would make it idle rough or fast and the popping noise could be the unburned fuel igniting in the exhaust system on the hotter than normal exhaust manifold. One check is after the engine has been running for a while check out the exhaust manifold to see if it is glowing red (best observed in the dark of night) this is a good indication of a over rich fuel to air ratio, and is not good for the engine. This engine would need the fuel to air ratio corrected by a qualified mechanic.
The air fuel ratio of the petrol engine is controlled by?
The air fuel ratio of the petrol engine is controlled by Carburetor
What is the fuel-air ratio in a jet engine?
The ratio is about 15:1 fuel to air.
Why does your 2007 kia Rio engine run rough?
There could be many reasons as to why this car is running rough. The engine may be overheated, the mount may be destroyed, it may not be getting enough fuel, or there could be a lack of oil.
Fuel mix ratio evinrude 9.9 1991?
1991 evinrude 9.9 engine, could you tell me the gas oil ratio please
Why Joel's engine is unable to power his car the way it used to. The spark plug is working and the engine is compressing properly so what could be the problem?
Could be a fuel delivery problem such as a dirty fuel filter.
What is the fuel to power ratio in diesel engines?
In diesel engine fuel to power ratio is 1:50
What is compression ratio of a fuel?
It depends on the engine.
What causes a engine to run rough with strong fuel smell and check engine light on?
One thing could be an over used belt or a leak of antifreeze
What is causing the rough idle on a 2006 Chevy Impala?
There are many things that can cause a rough idle on this car. The computer could be going out, the engine may not have enough oil, and the engine may not be getting enough fuel or electricity.
Can a bad fuel regulator make your engine run rough?
yes a fluctuation in pressure could cause it. check pressure with a guage
What is the air fuel ratio in petrol engine?
Ideally it is 14.7 air to 1 fuel in an internal combustion engine.
