rough running. ..making noise
10

Asked by Singh Jan 08, 2016 at 04:52 PM about the 2008 Chevrolet Silverado 1500 LS Extended Cab LB 4WD

Question type: Maintenance & Repair

I got problem with my truck...it's running rough....a have
replaced all ignition coils. ..and 3 injectors....but still have a
problem. ...I got a code P0055...and random multiple
cylinders misfire detected

4 Answers
10

Singh answered 8 years ago

I open the valve cover....one intake valve spring was broke....hope fully that's it

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220,785

Rowefast answered 8 years ago

Well thats a start, wonder why it was broke. Has anyone adjusted rocker-arms lately? High RPM or not adjusted correctly would be a cause. You gonna fix it? If so once done, get the codes cleared, if engine light comes back on, then get the code read.

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10

Singh answered 8 years ago

No...I just got 94000 miles on it...I don't know why it's broke.....I gonna done monday.i actually a mechanic but for semi trucks..not for this ones...but I can fix it...because it's my truck...then see what's going on. ..thanx for reply rowefast...I appreciate for that.....

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