What would cause all 4 spark plugs to be black and run rough on a 95 sunfire 22L?
Engine is running extremely rich.
1980 Chevrolet Blazer with new 350 330 hp with vortec heads gm performance motor 12486041 I have a eddlebrock thunderseries carb I am getting black spark plugs and rough idle is it timing plugs both?
What may cause a 1996 Ford Escort LX to idle rough and that has stalled a few times while reversing?
Bad spark plugs can indeed cause an engine to idle rough. If any of the spark plugs are misfiring or are not producing enough of a spark to ignite the fuel, then not only will the engine idle roughly, it will alwso waste gas. If may seem as though it is running fine when you are driving however, you still may be wasting gas and your pickup may not be as fast as it should.
HELLO if you look under the hood, you will see a BLACk cover under a big black rubber hose..this is part of the VALVE COVER..this black cover has 6 bolts and has to come off..its alot of work to take everything off..under this black cover are 2 COILS with 2 spark plugs under them. DO NOT REMOVE the plugs with a HOt car..this car has aluminum heads and you will strip the plugs..I cannot even…
What would cause a rough idle after driving on a 1985 camaro V8 tuned-port fuel injection then check engine light comes on?
If your car is shaking it could be poor suspension alignment can cause a car to shake and vibrate, and other possible causes are bent or worn suspension parts, old tires, bent wheels and bad brakes. If your car sounds especially rough at speed, the problem could lie with the car's spark plugs and wires. Spark plugs fire more frequently the faster you drive, and the engine will sound rough when they begin to fail.
The plugs and wires have been changed and catylitic converter removed. Ran really rough with no power and now wont start. It is a 1995 sunfire. Could it be the 02 sensor?
You changed your sparks plugs on your eighty nine dodge Dakota and now it runs rough could it be timing or a vacuum leak?
Was the truck running OK before the plugs were changed?If ok before the plugs were changed then I would recheck the plug gap & check the plug wires. It is easy to damage the carbon fiber inside the wires. If they are old say around 40.000 miles I would change them. If truck was running rough before plugs were changed I would look at timing & vaccuum. Also cap & rotor. The converter can be…