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Rb20det Running Poor Sounds Like A Boxer

SileNceR

By SileNceR,
in Engines & Forced Induction

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SileNceR Contributor

SileNceR

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Posted

Hey

asking on behalf of a mate with an R32 GTS-T

Recently on occasion his car has been running poorly and sounding like a boxer. It's intermittent and happens while driving, sometimes from cold/cool, sometimes after driving for a while and then will sometimes just go away.

Any ideas of what to check? He has recently replaced coil packs but it is not really an ignition breakdown issue from the way it's behaving, perhaps a loose wire (but which?)

Cheers for any help,

Clinton

PM-R33 Grand Master

PM-R33

Posted
Posted (edited)

100% one of the coil packs or a spark plug. A RB sounds like a WRX when it drops a cylinder and runs on 4 or 5.

Easy way to check, when the car is idling, unplug the coilpack on cylinder one. If the note of the exhaust changes it's not that one. Plug it back in and go to the next. Keep doing this for all six until one of them doesn't change the cars sound. Thats your dropped cylinder.

Edited by PM-R33
cmoney Proficient

cmoney

Posted
Posted

Doesnt the 1st post say he just recently replaced the coil packs??

Hope you replaced em with Splitfires....

Just thoroughly go over all the ignition wiring & see if you can find anything. Does sound like a general coil pack issue.

SileNceR Contributor

SileNceR

Posted
  • Author
Posted (edited)
Doesnt the 1st post say he just recently replaced the coil packs??

Hope you replaced em with Splitfires....

Just thoroughly go over all the ignition wiring & see if you can find anything. Does sound like a general coil pack issue.

They were replaced with a known good second hand set, so it could well be that the "new" ones are now failing also.

Will try those suggestions, thanks.

Edited by SileNceR

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