Thread: erratic idle, lean code, hard start on 95 K1500 w/5.7
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Old 10-13-2008, 11:50 AM
mwid73 mwid73 is offline
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Re: erratic idle, lean code, hard start on 95 K1500 w/5.7
Definately check the fuel pressure. These are good symptoms of a weak fuel pump. If you can not check the pressure take off the air cleaner and watch the fuel spray in the TBI. It should be a nice cone shape in each side. If it slows down or starts to drip / or "spit" at the time the truck is idling poorly or starting to die I would change that pump. Try to find a parts store that sells Delphi pumps that's what GM uses in these trucks...
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