LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

opti problems

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Old 06-13-2005, 01:34 AM
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opti problems

What are signs of a bad rotor cap or bad ing.
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Old 06-13-2005, 07:53 AM
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Re: opti problems

A misfiring engine (sometimes the SES light will blink), a bad miss/stumble below 2,500 rpms are a few.
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Old 06-13-2005, 11:34 AM
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Re: opti problems

Its weak as hell especially in low rpm's. The SES light has came on and doesn't come back on when restarted. What does that code read.
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Old 06-13-2005, 11:48 AM
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Re: opti problems

When my cap/rotor went out I had a slight missfire throughout the entire rpm band. Sometime it can be really bad and sometime not even noticeable, mine resembled a bad batch of gas. Turned out that #8 had little to no spark at all Goodluck!
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Old 06-15-2005, 11:39 AM
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Re: opti problems

When my opti gave up the ghost, it started out as a stumble in the low RPM's, but was still rock solid above around 2 grand. It then progressively broadened throughout the operating range of the engine.

If you put it on a scanner, it'll tell you what code it is, i dont' have it on the top of my head. you can also search for DTC's for your vehicle on the 'net or a book.
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