1991 chevy s10 pickup.

Asked by Apr 03, 2017 at 03:00 PM about the 1991 Chevrolet Blazer 4WD

Question type: Maintenance & Repair

Couldnt start so i changed all the spark
plugs, engine oil and oil filter. Now it can
start but hesitant and sound like dying. Is it
thr fuel pump.

1 Answer

110,775

The oily way to tell if it is the fuel pump is to get a pump pressure reading, also check the fuel regulator...

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