My 2000 Chevrolet Silverado 1500 is losing acceleration and back firing why

Asked by Mar 06, 2015 at 04:02 PM about the 2000 Chevrolet Silverado 1500 Ext Cab Short Bed 2WD

Question type: Maintenance & Repair

2 Answers

70,255

Usually back fire mean,s a timming issue,and poor acceleration is another sign,check the timing on the truck,and if not timeing,check to make sure you don,t have a blowed intake gasket.

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If CEL is on, you should have the codes read. If no check engine light, then these 4 sensors if bad, will cause that condition : Crankshaft position sensor, MAF sensor, Cam sensor, Knock sensor. But before sinking money on a guess, check all the usual suspects. Vac lines, plug wires, fuel filter.

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