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Q: Could bad optispark cause this code 42?
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94 z28 camaro with a 5.7 liter 350 lt1 and it has the 460le auto trans recently purchased sat for a year in a garage this car has no power poor acceleration any ideas?

The problem could be your optispark distributor. They have a tendency to corrode inside and when this happens, it hinders the performance to the point that acceleration is greatly hampered. A bad optispark will also cause starting issues and engine misfires. Besides the optispark, check for a vacuum leak. Intake manifold leaks are very common on the LT1, as well as valve cover gasket leaks.


Engine stalls after warm up. code 36 apears on scan tool also cooling fans both run instantly it starts again immediately then check engine light turns on. ecmdist stunning. its a 93 z28 code P?

OBD1 code 36 is a high res failure. Due to a bad or failing optispark distributor. My 95 has this same code and still runs but the optispark is not sending a signal to the pcm. If I crank the engine for about 7 seconds it will start every time.


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When you hit the gas and car pauses or shuts off what could be the problem 1993 camaro z28 LT1?

probly a bad optispark (distibuter). Could be several things but this is the most commen problem with lt1 f bodies


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