Po303 misfiring, power loss, and rough low rpm
#1
Po303 misfiring, power loss, and rough low rpm
Greetings,
I am hoping that someone can help me with the diagnosis of my 1999 Mitsubishi Eclipse GSX.
OBDII reports diagnostic code Po303 - misfire in cylinder 3
Fairly smooth at idle and high revving when out of gear
Revving is always rough at low portion of rpm curve
Misfiring at low rpms when in or out of gear
Rough with power loss when in gear, especially under load or with heavy throttle (from start, uphill, or when floored)
Will drive almost normally if I'm _very_ gentle with the gas pedal
Flooring it when in gear results in deep low tone, rough vibration, and flabby power
Can anyone make a suggestion based on my symptoms?
Thanks!
I am hoping that someone can help me with the diagnosis of my 1999 Mitsubishi Eclipse GSX.
OBDII reports diagnostic code Po303 - misfire in cylinder 3
Fairly smooth at idle and high revving when out of gear
Revving is always rough at low portion of rpm curve
Misfiring at low rpms when in or out of gear
Rough with power loss when in gear, especially under load or with heavy throttle (from start, uphill, or when floored)
Will drive almost normally if I'm _very_ gentle with the gas pedal
Flooring it when in gear results in deep low tone, rough vibration, and flabby power
Can anyone make a suggestion based on my symptoms?
Thanks!
#9
RE: Po303 misfiring, power loss, and rough low rpm
yeah i had the problem of oil getting into my number 2 cylinder due to a torn sparkplug boot, andwas causing a bad misfire, so finally i replaced the wires, cleaned the oil, ran like a champ.
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