Question about 1999 Chevrolet Silverado 2500
When I start the truck when it is cold the rpms will fluxuate about 500 and sometimes will kill. I repalced the o-2 sencors on the exhaust.
Hi a bad water pump will not let the engine run normal unless it is frozen up. it sounds like your coolant temp sensor has gon bad.that will cause rough cold starts and work fine after warmed up
Posted on Feb 02, 2009
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Posted on Jan 02, 2017
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