1998 Kia Sephia "rough engine" Questions

IDLE SPEED TOO LOW. IDLE SPEED SHOULD BE 750 - 850 RPM. IDLE SPEED NEED TO BE CORRECT OR IT WILL CAUSE ENGINE RUN ROUGH OR STALL OUT.AC COMPRESSOR WILL TAKE SOME POWER FROM ENGINE WHEN AC IS OPERATING

...rough run a can of carb cleaner all through the intake while running.....mantain engine running get back w me if need more if that doesn't do the trick then check all the engine hoster.... maybe they ...

fuel coming out of muffler Rough Idle, loss of power, strong fuel type odor, check engine light flashes, and fuel coming out of muffler COULD BE FUEL PRESSURE REGULATOR GONE BAD

running rough engine light blinking Check the oil

98 kia sephia rough idle and stalling Clean egr valve, check map sensor, check replace engine temp sensor.

rough and then when I pressed on the gas peddle it stalled out. can some one tell me what I need to be looking at please Possibly blocked fuel filter, when you press the pedal it starves the engine or

...cause a big part of this also as I have had 3 kia cars that misfire idle rough engine light comes on causes codes to come on and we finally figured it out to change the spark plug wires hope this ...

engine light is flashing and the car is running rough. I've had the spark plugs, and valve cover gasket recently changed. Oil was getting onto the threads of one of the spark plugs and fouling it out.

...rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion ...

...engine oil seals and possibly even head gasket failure. Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs. In addition, a reduction in power and oil loss can be ...