Hard start

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09-04-2014, 01:34 PM

ItBeMe

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Join Date: Jul 2010

Location: On planet earth & in Hotlanta Ga.

Posts: 161

Hard start

Got a 96 GMC 5.7 V8 that is hard starting 70º + after sitting over night. Do they still use a cold start injector on them. Or could this be a weak fuel pump. Thanks for any help.

09-05-2014, 08:50 PM

NullHead

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Join Date: Apr 2011

Location: Detroit, MI

Posts: 1,227

Any black smoke coming from the exhaust after it starts? Could be the fuel pump leak down. I'd check fuel pressure.

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