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C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Oct 28, 2003 | 07:09 PM
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Default having trouble posting. Engine running rough Help please.
89 L98 engine
My engine is running rough.
I have checked
Plugs
Spark
Vacuum hoses
Fuel pressure is good
Injector resistance (one is different)
Listen to injectors with screwdriver (all sound the same)
It seems like I have lost one cylinder. Just started doing it on Saturday.
What else can I check?




[Modified by timallard, 8:40 AM 10/29/2003]
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Old Oct 28, 2003 | 07:32 PM
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Default Re: having trouble posting (timallard)
Car looks good. Right hand drive ????
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Old Oct 28, 2003 | 07:39 PM
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Default Re: having trouble posting (timallard)
checked the MAP? Or O2 sensors?
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Old Oct 28, 2003 | 07:42 PM
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Default Re: having trouble posting (bogus)
No SES codes present. Would make it easier if there were.
The O2 sensor is new. MAF sensor should be OK, would throw a code if it wasn't?
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