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2001 Chevrolet Silverado 1500 Question: skips

 

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8orbetter, V8, Kaufman, TX, June 09, 2009, 20:09
 Rookie

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

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, June 09, 2009, 21:17
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     Master

    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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    8orbetter, June 09, 2009, 21:25
     Rookie

    No warning lights have come on new fuel pump tranny plugs wires none of this changed a thing

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