94 camaro timing off?
what are the conditions of a camaro timing being off? no start? i took it to a shop and it seems like they are just as clueless as i am to what the problem is they already did test on compression, fuel pressure, and spark
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failing opti, failing pcm, failing icm, short in wire harness from the opti.
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i replaced the opti and icm brand new wire harness from the opti so im guessing it has to be the PCM?
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Has anyone checked to see if the injectors are firing?? Just checking fuel pressure is not enough. What fuel pressure are you seeing? As said before spark timing is not adjustable and controlled by the PCM, the only way it could be off is if the valve timing has gone off due to mechanical problems (timing gears, timing chain), or that when the Opti was installed, it was forced in and damged internally in the process. Also possible that the PCM lost its mind, or the Opti is bad.
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Originally Posted by z28pete
(Post 694693)
Has anyone checked to see if the injectors are firing?? Just checking fuel pressure is not enough. What fuel pressure are you seeing? As said before spark timing is not adjustable and controlled by the PCM, the only way it could be off is if the valve timing has gone off due to mechanical problems (timing gears, timing chain), or that when the Opti was installed, it was forced in and damged internally in the process. Also possible that the PCM lost its mind, or the Opti is bad.
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it would not turn over if vats was messed up. could be ignition switch.
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Originally Posted by craby
(Post 694698)
it would not turn over if vats was messed up. could be ignition switch.
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