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

High RPM Miss

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Old 08-06-2008, 09:44 AM
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Default High RPM Miss

I know theres a new one of these threads like every hour but it seems like every thread someone has a different answer for the same problem. My original problem was a hesitation around 5k. This morning I was late to work and low on gas so I didn't stop. Anyways the car didn't have enough gas to start so I had a coworker take me to the gas station. Got a gas can etc. After I put a gallon in then went and filled up I noticed that now when I hit it the car just completely cuts out at 5k. Someone please help I want the car ready to autocross by Sunday and I've missed the last 3 because of this damn car.
Old 08-06-2008, 09:39 PM
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sounds like a fuel pump to me. that was my problem. hook up a fuel pressure tester
Old 08-06-2008, 09:51 PM
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Check your fuel pressure at the rail as stated above.

Originally Posted by sw07gt
My original problem was a hesitation around 5k. This morning I was late to work and low on gas so I didn't stop. Anyways the car didn't have enough gas to start so I had a coworker take me to the gas station.
Sounds like that fuel pump was getting weak, and then running it dry finally was the last straw. Running a fuel pump dry even if its newer is never a good idea.
Old 08-08-2008, 01:55 PM
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could always be a clogged cat...
Old 08-09-2008, 11:16 AM
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Well it stopped cutting out and then I totaled the car so that sucked.
Old 08-09-2008, 01:34 PM
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Damn dude, what happened? Your ok I take it?
Old 08-09-2008, 01:39 PM
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yeah sounds like the fuel pump is out, like stated a few posts up its never good to let your car run dry
Old 08-09-2008, 05:26 PM
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Originally Posted by Fixxer99TA
Damn dude, what happened? Your ok I take it?
Yea I'm fine. I rolled it on a 1.5 lane road in the dark that I wasn't familiar with.



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