98 gmc 1500 5.7L wont start after sitting.
20

Asked by chevcrazy1 Jan 19, 2011 at 07:49 PM about the 1998 GMC Sierra 1500

Question type: Maintenance & Repair

so i let my truck sit for about 2 months and it ran fine before i parked it. now it turns over i know im getting fule and spark. i tryed starting fluid and it still dosent even wanan try and start. also it puffs white smoke out the intake and it sounds like its back firing from the intake please help me.... thanx!

2 Answers
5,305

Jon answered 13 years ago

Perform a thorough visual inspection of the wiring to the engine and make sure that an animal didnt take your engine harness and make a nest out of it. Also, try and run the engine on fresh gas.

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