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2005-05-16 17:45:10
2005-05-16 17:45:10

Engine is running extremely rich.


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When the idle goes rough, you must idle the plugs. Else the car plugs roughly.

There are several things that can cause your 1993 Nissan 300 to idle rough. The most common cause is dirty spark plugs. Bad spark plug wires can also cause the problem.

There are several things that can cause your 2002 Kia to idle rough. The most common cause will be bad spark plugs or a bad spark plug wire.

Black plugs indicate that you're getting too much fuel. You need to set up the carb and to do that you'll need access to an exhaust gas analyzer. Don't go too lean or you'll burn valves and possibly a piston. Running "rich" can also cause a rough idle.

The most common cause of a 1996 Ford Escort to idle rough is bad spark plugs or bad spark plug wires. A plugged air filter will also cause it to idle rough.

the transmition ,is probably not adjusted to the spark plugs,or their not the right spark plugs

Many things can cause a rough idle. Bad plugs, plug wires, broken or leaking vacuum hose, defective fast idle solenoid, just to name a few.

Maybe your air filter or plugs and wires. Or maybe your MAF sensor or your IAC valve needs cleaning.

There are a number of things that can cause an engine to run rough. Plugs may be bad. Plug wires may be bad. If you have sensors, there may be a bad sensor. You could have water in your gas. Could have a burnt valve. There is a number of different things.

Power brakes use engine vacuum to get their power. If the engine is out of tune, the loss of vacuum will cause it to run rough. Try changing the spark plugs.

Auto Zone will check your engine codes for FREE... It maybe a coil pack... Or like on mines it ended been bad plugs... So I tune it up... Plugs and wire for the 4.6L Plugs no wire for the 5.4L

Check the 92 Eclipse for vacuum leaks. Check to see that all of the spark plugs are firing properly. Check to see that the fuel injectors are working. Either of these could cause the rough start and rough running.

Maybe when they put the spark plugs in they were not gapped right or they maybe the wrong spark plugs.

I just changed fuel filter,pump,sparks plugs and wires on mine and it runs great!

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.

Old spark plugs can make a car misfire, run rough, and not fire at all.

Poor performance, hesitation and rough idle could be signs of worn out spark plugs.

A 2 stroke engine will not idle and foul plugs after a few hours if there is a piston ring leak or the carburetor is providing too much fuel. This will quickly cause buildup inside the combustion chamber and cause it to run very rough.

300zx twin turbo lots of black smoke and running rough

my 1990 300zx is idling rough what could cause this?

Change the spark plugs and wires... Change the spark plugs and wires...

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 get mine out! The other 2 wires can be more easily seen and have a black boot on them..under the 2 black rubber boots are the other 2 spark plugs.. Lots of Kia sportages misfire and skip and the check engine lite will come on..usually its a bad wire or plug..very common in these cars..also, if the VALVE cover gasket LEAKS at all, oil will get into the boots or wires or plugs and cause the car to skip and idle rough or MISFIRE.. GOOD can email me..I have pics to send you; its a BIG job!

because the waves have lots of dirt because it is so rough

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