determine which is misfiring [Archive] - GrandAmGT.com Forum

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T50
04-24-2013, 10:29 PM
is there an easy way to determine which cylinder is misfiring,

I had a misfiring issue for the first minute when engine is cold, but now, after changing the plugs, it appears to be basically gone, but it seems to still misfire a few times though not nearly as bad.

I did receive a p0301 code before this, but mostly p0300 codes, just a rare couple of p0301

thinking replacing the coil pack for 1/4 but before spending $35 on a coil pack, i'd like to know it'll help..

T50
04-24-2013, 11:47 PM
also which coil pack to get, from advance auto parts, looking at the BWD, part # E51 or the BWD select part # E51P

sleepyalero
04-25-2013, 12:38 AM
well if you have a service light on, go get the car scanned at autozone or something and they can tell you which cylinder is having the misfire.

if not then i would replace all wires, and plugs. if there still is a misfire move onto coil packs.

T50
04-25-2013, 12:56 AM
no light, just changed plugs, got alot better but not right yet..

sleepyalero
04-25-2013, 02:06 AM
id try replacing wires.