LT1-LT4 Modifications 1993-97 Gen II Small Block V8

opti gone bad???

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Old 06-20-2008, 08:22 PM
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Angry opti gone bad???

I have a 97 LT1 out of a firebird in a chevelle. My car starts dying after about 10 to 15 minutes of running. It just cuts off, it does not sputter or anything. Within the last 2 months I have changed the opti, coil, cap and rotor, and crank sensor. Not sure what else to do. It has code P0300 which I had before the opti change in May. I recently threw P0372 Timing reference Signal A too few pulses. I changed the crank sensor after that. Any suggestions PLEASE. This is getting aggravating and expensive.
Old 06-20-2008, 08:31 PM
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did the ecm come out of the same firebird? or did you mix and match engine & computer,etc?
Old 06-20-2008, 09:11 PM
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same computer...i bought the whole firebird and used the motor, transmission, and ecm




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