GMC Sierra Check Engine Light

Browse GMC Sierra Check Engine Light questions and answers. Choose a question that matches your symptoms.

54 discussions

Is A Bidirectional Scan Tool Needed For Routine...

2021 GMC SIERRA
For The Following Maintenance Activities, Is A Bidirectional Scan Tool Needed? A. Brake System Flush, Using A Pressure Bleeder. B....
11 ANSWERS
Asked by 43zx2

Codes P16E9-00, P0128-00, And P0700-00, Check Engine...

2016 GMC SIERRA
Is Drivable Only A Few Miles And Then You Can’t Drive Over 35 Mph. We Change The Thermostat And The Temperature Sensor Also The Cooling...
4 ANSWERS
1 IMAGE
Asked by Alvregon

Check Engine Light Throttle Body Code?

2013 GMC SIERRA
Recently Changed One Catalytic Converter And Obd Scanner Says Throttle Body Code Will Not Pass Inspection Any Help Would Be Appreciated
1 ANSWER
Asked by TJMowbray

Battery Drains Over Night With Check Engine Light

2011 GMC SIERRA
It All Started With My Old Battery Being Drained. Charged It Up To See If It Would Turn Over. It Did Not So I Got A New Battery. Put It In....
1 ANSWER
Asked by Saskwatch

Studders Underload And Trac Like Comes On And Check...

2008 GMC SIERRA
I Just Replaced The Ball Joints, Spark Plugs, Plug Wires And Cleaned That Throttle Body. I Got In All Together And Took It For A Drive To...
7 ANSWERS
Asked by Zackbean

Check Engine Light

2008 GMC SIERRA
My Check Engine Light Has Been On For Awhile. Not Blinking Just On. I Had The Code Read And It Was The Same Code As If The Gas Cap Was Loose...
12 ANSWERS
1 IMAGE
Asked by JRay1987

Odometer Reading Went From 108000 To 111000 Miles...

2008 GMC SIERRA
Odometer Reading Went From 108000 To 111000 Miles Today In Just A Few Minutes-- What Causes This To Happen . Engine Check Light Can On For...
1 ANSWER
Asked by Anonymous

High Speed Mis, Engine Light Flashing, Changed S Plugs...

2008 GMC SIERRA
High Speed Mis, Engine Light Flashing, Changed S Plugs. What Next? Also Smells Like Cat Converter Overheating When I Shut Off, No Red Glow...
1 ANSWER
Asked by Anonymous

My Check Engine Light Intermittently Comes On, Then...

2007 GMC SIERRA
My Check Engine Light Intermittently Comes On, Then Goes Out. I Have Had The Truck Into Two Separate Repair Facilities, One Being The Gmc...
1 ANSWER
Asked by Zeppo2006

2007 GMC Sierra Tighten Fuel Cap And Check Engine...

2007 GMC SIERRA
Check Engine Light Does Not Go Off And Early In The Morning Tighten Fuel Cap Warning Comes On For A Few Seconds But Then Goes Off Everyday.
1 ANSWER
Asked by joeangel47

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