I HAVE A 99 S/10,WHEN THE GAS TANK IS FULL STARTS RIGHT UP.AT 1/4 TANK ITS HARD TO START.CRANKS BUT IT TAKES ABOUT 10 TO 15 SECONDS HOLDING THE KEY ON TO START.

Asked by May 15, 2016 at 06:45 PM about the 1999 Chevrolet S-10

Question type: General

2 Answers

223,495

Sounds like a weak fuel pump.

My 2000 S/10 did this after having the fuel pump replaced. I feel they bent the fuel line when reinstalling the fuel tank. I just remember to fill the tank between 1/4 & /1/2 full.

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