5.7l sputters when I give it gas
10

Asked by Maggs10 Feb 01, 2018 at 11:14 AM

Question type: Maintenance & Repair

I have a 2002 GMC W4500 (Cabover) that keeps stalling.
It has a 5.7l in it. I replaced the fuel pump, fuel filter, spark
plugs, wires, distributor/module, purge valve,
injectors/meter, crank position sensor, and cleaned the
MAF. Nothing seems to be working. Any ideas?

1 Answer
10

Maggs10 answered 6 years ago

It also has problems starting up. Once I finally got it started I had to rev it to about 3500 rpm’s for a few seconds and slowly release off the gas in order to keep it running. It stays at an idle by itself.

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