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No,car will not run rich.Infact it gives misfires since escaping fuel will be the ultimate result if we use wrong spark plugs.
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∙ 10y ago
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What is the cause of black carbons on spark plugs?
Runnibg rich usually.
Can running rich cause spark plugs to go bad within two weeks?
Yes.
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.
What would cause all 4 spark plugs to be black and run rough on a 95 sunfire 22L?
Engine is running extremely rich.
Can worn spark plugs cause a p0420 code?
If the spark plug is fouled ("too rich" or in other words: Too much fuel, not enough air or spark to ignite): It is possible that the rich fuel will dirty up an O2 sensor, which may trigger a P0420 error.
Can new spark plug increase hc emissions?
not really.new spark plugs should help to decrease hc emissions hc emisions are caused by unburnt fuel which is usually caused by faulty spark plugs or faults in the ignition system which would cause the engine to misfire creating a rich mixture ie high hc (hydrocarbons)
What is the main reason spark plugs foul on a two stroke engine?
Gas mixed to rich
Why is a 2007 Kawasaki ATVs' spark plugs fouling up?
Oil and gas mixture too rich. : o )
How do you tell if your map sensor is bad on your 1996 4.3 Chevy v6?
It will be smoking black out of the exhaust / Running RICH. Spark plugs will be fouled out/ Black. Replace them if it is running rich. Plugs will not fix your problem. Replace map sensor.
Why is your spark plugs black after starting car just twice?
The car is either using oil or the gasoline is set to rich.
Can a bad exhaust cause black stuff on the spark plugs?
It's usually fouling due to air/fuel ratio too rich or improper heat range or faulty ignition coil as most common causes.
The spark plugs are black what could cause this?
You need to go to a repair shop and have the check engine light diagnosed. That will tell where the problem is. Something is causing it to run rich and it would be cheaper to fix it at the cost of gas. check fuel regulator
