skips on 2001 Chevrolet Silverado 1500

between 45 & 55 mph if you let off the gas and get back on it the motor seems to skip or bogg down

by in Kaufman, TX on June 09, 2009
1 answer 1 comment
ANSWER by on June 09, 2009
Has a Check Engine Light come on? I presume what you describe is an ignition misfire under load, or loss of fuel pressure or volume. Attaching a scantool to the 16 pin diagnostic socket will show codes and pending codes. A good scan tool also provides live data on sensors air flow into the engine and fuel trim figures that could lead toward diagnosing vacuum leaks fuel system or ignition problems.
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COMMENT by on June 09, 2009
No warning lights have come on new fuel pump tranny plugs wires none of this changed a thing
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