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Is the PCM controlling IGT correctly?
Posted to Technical Discussion Forum on 12/8/2015 7 Replies

I cannot figure out how the PCM determines timing, or if it should command ignition before recieving a CMP signal.

When cranking, it sometimes bucks the starter and stumbles a bit, but runs well once started. My theory is that the PCM is initially setting ti... Login to read more.

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car Vehicle Data

1992 Toyota 4Runner SR5 3.0L

Engine3.0 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1992 Toyota 4Runner SR5 3.0L

Engine3.0 L
Trans4-speed Automatic (Electronic)