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-   -   94 camaro timing off? (https://camaroforums.com/forum/93-02-general-41/94-camaro-timing-off-77580/)

warmeck 09-11-2014 02:00 PM

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

craby 09-11-2014 03:13 PM

failing opti, failing pcm, failing icm, short in wire harness from the opti.

craby 09-11-2014 03:14 PM

https://camaroforums.com/forum/lt1-l...37/#post579761

warmeck 09-11-2014 06:57 PM

i replaced the opti and icm brand new wire harness from the opti so im guessing it has to be the PCM?

z28pete 09-11-2014 07:28 PM

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.

warmeck 09-11-2014 09:27 PM


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.

called the guy who owned it before me and said it has something to do with the key fob not reading. he said he had to turn it to the on positino and clickit 4-8 times and then turn it on for it to start. so im going to bring it to a chevy dealer to have a new key made.

craby 09-12-2014 12:34 AM

it would not turn over if vats was messed up. could be ignition switch.

warmeck 09-12-2014 01:31 PM


Originally Posted by craby (Post 694698)
it would not turn over if vats was messed up. could be ignition switch.

i installed a brand new ignition switch when i got the car


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