AP1 Misfire Once Again
#1
AP1 Misfire Once Again
What’s up guys I’m having 4 codes:
61-1 Battery Voltage malfunction
P0301 cylinder 1 misfire
P0302 cylinder 2 misfire
61-1 Battery Voltage malfunction
P0301 cylinder 1 misfire
P0302 cylinder 2 misfire
P0304 cylinder 4 misfire
I already dealt with this issue in the past and replaced spark plugs with OEM, OEM coil packs, and eventually had my head rebuilt at Inline Pro. They rebuilt with an AP2 head/valvetrain, Inline Pro TCT, this was done at 99k. The car now has 113,800k and no CEL has came on until yesterday when the car was idling. Never mis shifted the car, oil level is always checked and to spec. First thing to start with this process all over again is a compression check I guess...
I already dealt with this issue in the past and replaced spark plugs with OEM, OEM coil packs, and eventually had my head rebuilt at Inline Pro. They rebuilt with an AP2 head/valvetrain, Inline Pro TCT, this was done at 99k. The car now has 113,800k and no CEL has came on until yesterday when the car was idling. Never mis shifted the car, oil level is always checked and to spec. First thing to start with this process all over again is a compression check I guess...
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HawkeyeGeoff (01-04-2018)
#4
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#8
Do you have the flickering dash? If the rectifier isn't working properly the alternator can check out and still be faulty.
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Mike in Detroit (01-06-2018)
#9
#10
I would recommend reading the Misfire thread on here. There are a whole number of things that can cause misfires and that thread goes into a good amount of detail.
I've personally seen bad coil packs and injectors so it is possible that something else may have failed. See if you can substitute parts with a local?
That voltage malfunction sure is peculiar though.
I've personally seen bad coil packs and injectors so it is possible that something else may have failed. See if you can substitute parts with a local?
That voltage malfunction sure is peculiar though.