Ministry of Highways

Emission repairs are often expensive. P128E is present cannot figure out why.

The 4 Most Common Duramax Lml Engine Problems 6 6l Duramax

The 2011 Chevrolet Silverado 2500 has 205 problems defects reported by Silverado 2500 owners.

2011 duramax problems. Attention to all 2011-present LML Duramax and 2011-present 67 Powerstroke owners. Always has power to spare. Jump to Latest Follow 1 - 8 of 8 Posts.

Photo 44 2011 LML Duramax Diesel Engine side Angle GM added a ninth injector after the turbo to supply the fuel needed to create heat that will burn off the emissions built up in the exhaust. Failure of this CP4 pump is usually catastrophic causing instant contamination of the entire fuel system with metal particulates. 2011 GMC Sierra 2500 HD Problems and Complaints - 7 Issues.

My wife went to take the dogs for a walk in our truck 2011. The regen cycle does not seem to be operating correctlywhen the regen cycle decides to function in stop-and-go traffic a diesel smell as well smoke will arise from the hood louvers. Outside of this problem there arent many major or costly common problems associated with.

Our list of 7 known complaints reported by owners can help you fix your 2011 GMC Sierra 2500 HD. CP42 Injection Pump Failure. Currently eight plaintiffs are being represented for purported case.

The 4 Most Common Duramax LML Engine Problems. Other issues have also occurred regarding the DEF system. 20112012 Chevrolet 3500HD Sierra 66L V8 Duramax diesel trucks with LGH engines.

Something you should know about your diesel truck specifically the CP4 Injection pump and the potential catastrophic damage that may be happening or already happened. Discussion Starter 1 Nov 25 2013. Pulls most hills without down shifting.

This smell stinks up the cab of the truck. Posted September 3 2011. Duramax History Lesson 5.

Chances are if youre looking at this page youre well aware of the problem. The Detroit News reports that GM is now facing a class-action suit alleging its 66-liter Duramax engine found in 2011-2016 Chevrolet and GMC models is not compatible with US diesel fuel. Early LML Duramax trucks 2011-2012 have well-documented issues with Nitrogen Oxide NOx sensors that are a part of this SCR system.

I have had the truck in for a full inspection and the dealer said the problem is not fixed. 2011 duramax problems - is this common. Joined Nov 7 2011 30 Posts.

Replaced CP4 fuel rails pressure regulators 8 injectors. Story By Mike McGlothlin. The worst complaints are exhaust system fuel system and transmission problems.

Problem with your 2011 GMC Sierra 2500 HD. The 2011 GMC Sierra 2500 has 72 problems defects reported by Sierra 2500 owners. Fuel milage averages close to 18 MPG highway empty 11 MPG towing.

The buzzkill of the LML is the CP42 injection pump. I pull a 14K 5th wheel with my 3500 DRW Duramax. The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range.

The fuel economy has actually increased some over the LMMs. The worst complaints are engine electrical and drivetrain problems. In order to meet ever-increasing emission standards and keep up with the Joneses at the time Fords upcoming 67L Power Stroke GM amended the Duramax once more for the 2011 model year.

Hi starting off to be a rough Monday morning. I have a 2011 Duramax.