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Irregular starting

(1999 GMC 1500 Pickup)
in Pensacola, FL on September 20, 2009
2000 1500 sierra will sometimes start on the first crank, but most often on the 2nd or 3rd. im thinking plugs or distributor cap. what do you think
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Popular Answer
on September 20, 2009
it is best to inspect these items. You may have a check valve that has gone bad, in your fuel pump, which is very common on your vehicle. So, start by looking at your tune-up stuff and then go from there. Does your truck take 2-3 tries all the time or only in the morning?
on September 20, 2009
until this week it would go 2 to 3 days on first crank but this week it has been 3 tries every time
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