Mechanics

CHEVY ENGINE STALLS AFTER WARM UP

1989 Chevrolet Truck

Engine Performance problem
1989 Chevy Truck V8 Two Wheel Drive Automatic 110000 miles

My 1989 c1500 stalls after warm up when you have it under a load like when your in gear and holding the breaks down it just seems to stumble and stall. I already replaced the IAC valve, PVC valve, fuel injectors, and replaced some gaskets but those do not seem to work
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How long since a tune-up? Use a gage and check fuel pressure. Are there any applicable trouble codes?
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Tiny
Internetmechanic
May 11, 2010.
I did a tune up, fuel pressures fine, and no error codes either


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