MY 1991 HOLDEN COMMODORE VN V6 IS PLAYING UP

1991 Holden Commodore

Tiny

p mckenzie

April, 10, 2012 AT 10:30 AM

My 1991 Holden Commodore vn v6 is playing up. Engine erratically breaking down/running rough/ clouds of unburnt black exhaust when it does. Not all the time. Suspect ignition problem. Coil bank. Sensor. Wiring. Has had new computer a few yrs ago.

FOUND 4561 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

3 Answers

Tiny

merlin2021

April, 10, 2012 AT 3:49 PM

Running too rich, check. Vacuum line at feul pressure regulator if any gas is present, replace it, also O 2 sensors are beyond replacement age!

Tiny

mhpautos

April, 17, 2012 AT 10:37 PM

Often faulty coil packs and leads on these will cause this, but also check what merlin has suggested as well.

Tiny

merlin2021

April, 18, 2012 AT 12:20 AM

Thanks Mark.

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