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It's running too rich, this has reduced the combustion temperature, thus reducing the power available to drive the wheels. A 'Colour Tune'® plug, will allow you to observe the combustion process directly. The flame in a cylinder of a correctly tuned engine will be a pale blue. In an engine that is running rich, the flame will be yellow or orange.
What else can I help you with?
Would a knock sensor cause the engine to run rich?
No it will not.
Can a bad oxygen sensor cause gas smell?
Yes, it cause the engine to run rich.
Why does your 4.6 liter engine shake when you accelerate?
bad engine mounts
Why does your 1993 dodge 2500 van run rich?
Defective oxygen sensor, the check engine light should be in your face if it is running rich (black smoke).
Obdh fault codes po171 system too lean bank1?
i please the engine is not running good and if you accelerate the engine is not accelerate and the code is p0171
What happens when an engine has too much fuel and not enough air?
the engine will run "rich" fouling spark plugs and causing bad fuel economy.
1993 vortec 4.3 runs rich?
Need to check fuel pressure regulator, and it could be the MAP sensor making it run rich. Is the check engine light on???? If it is have engine scaned with engine scanner so you can read the codes, and see what is going on with the emissions.
Why would plugs foul on cold engine?
Too much fuel - and all engines run rich when cold.
Check engine light is on and the engine shakes when it accelerate?
That's a misfire-ah....
Car shaking accelerate white smoke goes away then overheating?
Blown head gasket or cracked head. STOP driving this car NOW. Serious engine damage will occur if you continue to run this engine in this condition.
What does engine running rich or lean mean?
An engine runs by the combustion of a mixture of oxygen and gasoline. If this mix has too much oxygen, it is said to run lean. When the mixture has too much gasoline in relation to oxygen, it is running rich.
Why does your diesel engine whine when you accelerate?
Probably from the turbo.
