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What else can I help you with?
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.
What needs to be fixed on a 1997 Ford Escort that shakes and then stalls when stopped for long periods of time?
Try a minor tuneup by changing the spark plugs and checking the distributor contacts. Sounds like the vehicle is burning rich which is what's making it shake and finally stall while stopped. Dirty or worn out plugs or even a bad spark due to corroded or dirty contacts in the distributor will cause this.
