2011 cel flashing

Asked by Jul 21, 2017 at 10:58 PM about the 2011 Chevrolet Silverado 1500 LT Crew Cab 4WD

Question type: Maintenance & Repair

Changed out plugs, wires and coils on a 2011
Silverado 5.3l z71. CEL is still flashing now. What
could it be. This is the wife's truck.

4 Answers

8,025

better to get the codes read at pep boys or o'reily's free before taking any guesses. it can be as simple as a loose gas cap. it takes 2 weeks to clear a CEL most of the time.

It is running fine. Just every once and awhile it will run rough.

8,025

could be bad fuel.. my company vehicle had that problem and i found out it was gas. stopped going to that place.

Last night on the way home cel came on a d flashed a few times still on

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