What causes a cylinder 4 misfire on a Silverado Sierra?
Has anyone experienced a P0304 (cylinder 4 misfire) DTC on 5.3 with AFM that was NOT caused by a stuck value, collapsed lifter, bad lifter solenoid or flat spots on the #4 cam lobes? I have an obvious misfire at idle which makes the engine stumble about every two seconds and I notice a slight RPM fluctuation on the tach.
Why is my GMC Sierra 1500 running rough?
Upon take off, the traction control light came on and was immediately followed by the check engine light with a message stating engine reduced power. The truck then begins to run very rough and when the brakes where applied it violently and uncontrollably lunged forward. I pulled off the road, turned off the engine, and waited a minute or two.
When did my GMC Sierra 1500 engine stop?
Yesterday August 20, 2017 in the late afternoon while driving, my 2011 GMC Sierra dead stopped without any notice almost causing an accident. I remained blocking the road until the police arrived to push my vehicle to the side of the road. The vehicle was unable to start even with a jump.
What kind of engine does the GMC Sierra 1500 have?
Note: This performance review was created when the 2011 GMC Sierra 1500 was new. The 2011 GMC Sierra 1500’s greatest asset is its four available engines, which allow buyers to customize the powertain. Reviewers aren’t disappointed with these options.
What was the problem with my GMC Sierra?
Heat sheald on exhaust manifold rusted and fell off engine resting on steering column locking steering momentarily untill I forced it to work.car was in motion when this happened. Yesterday August 20, 2017 in the late afternoon while driving, my 2011 GMC Sierra dead stopped without any notice almost causing an accident.
Are there any changes to the 2011 GMC Sierra?
There are only minor changes for the 2011 Sierra half-ton pickup. The Sierra gets the latest OnStar 9.0 system, revised exterior color offerings and insulating enhancements that help reduce wind noise.
Yesterday August 20, 2017 in the late afternoon while driving, my 2011 GMC Sierra dead stopped without any notice almost causing an accident. I remained blocking the road until the police arrived to push my vehicle to the side of the road. The vehicle was unable to start even with a jump.
Note: This performance review was created when the 2011 GMC Sierra 1500 was new. The 2011 GMC Sierra 1500’s greatest asset is its four available engines, which allow buyers to customize the powertain. Reviewers aren’t disappointed with these options.