Random multiple misfire.

Asked by Joseph Jul 22, 2019 at 07:01 PM about the 2010 Chevrolet Silverado 1500 LS Crew Cab 4WD

Question type: Maintenance & Repair

My 2010 Silverado has an issue with random
multiple misfire but it seems to only happen when I
put the pedal to the floor to gain speed getting on
the highway. The rpm's go up to 4,000 or so and
won't get high enough to shift unless I let off the
gas. I changed MAF, plugs, wires, and a couple O2
sensors that were bad. It doesn't misfire while
idling or when I rev it up in park. Any help would be
appreciated. Thanks.

6 Answers
65,590

firebird338 answered 5 years ago

Transmission shifted solenoid located on outside of transmission shift cable goes to it.

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1,115

GuruHBY1Q answered 5 years ago

It sounds like a vacuum leak causing the issue under load. I had this happen due to a valve cover gasket leak.

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Your Answer:

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