2011 Chevrolet Silverado 2500 fuel system problems

Filed Jan 6, 2025 · Fuel system · NV

Engine suddenly stopped running while driving and could not be restarted. It was towed to a local diesel repair shop. Diagnostics showed a catastrophic failure of the high pressure fuel pump which polluted the complete fuel system with metal.

Filed Jan 1, 2024 · Fuel system · AL

With all the known issues involving the failing CP4 fuel pumps out in the field, why hasn't there been a nationwide recall on this issue? We're being proactive in getting our LML repaired to save our engine. We want our costs reimbursed. This isn't a "small" matter. It's freakin' huge.

Filed Dec 29, 2021 · Electrical, Fuel system · TX

Fuel pump fuse socket has melted in addition to fuse being blown. Fuel pump had been replaced twice with OEM fuel pump. Entire fuse box must be replaced. Occasionally, a no start condition can be traced to fuse contacts losing conductivity which can be resolved by removing them reinstalling fuse. Has potential of causing electrical fire

Filed Feb 9, 2021 · Fuel system · 99,779 miles · FL

Tl* the contact owns a 2011 chevrolet silverado 2500. The contact stated that while driving 65 MPH and towing a 36 feet long camper, the messages indicating a fuel system failure was displayed before the vehicle loss motive power and stalled. The vehicle was towed to the local dealer solomon chevrolet located at 4886 montgomery hwy, dothan, al 36303 who diagnosed that the fuel system was faulty and needed to be replaced. The vehicle was then towed to an independent mechanic who replaced the fuel system which included the installation of a cp3 pump injector and the failure was remedied. The manufacturer was not notified of the failure. The failure mileage was 99,779.

Filed Aug 16, 2020 · Fuel system · 98,000 miles · PA

While driving in excess of 55 MPH on I 95, my 2011 chevrolet silverado 2500 stalled without warning while I was in the far left passing lane. No power steering or power brakes made it extremely difficult to control while moving through 4 lanes of traffic to get to the shoulder. I was unable to restart the vehicle and had to have it towed to a garage. I was informed the cp4 fuel injection pump had failed and repairs will be in excess of $8,000 because the entire fuel delivery system was contaminated and needs to be replaced.

Filed Feb 12, 2020 · Fuel system · 12,658 miles · WY

Tl* the contact owns a 2011 chevrolet silverado 2500. While driving at approximately 45 MPH, the vehicle stalled without warning. The fuel filter clogged message was displayed. The contact changed the fuel filter. The vehicle was towed to a denny menholt chevrolet buick gmc 1172 16th st, cody, wy 82414 (307) 527-7101 where it was diagnosed. The contact was informed that the fuel pump exploded and that metal shavings were found in the fuel system. The manufacturer was not contacted. The failure mileage was 123,658.

Filed Feb 3, 2020 · Engine, Fuel system · 136,000 miles · CO

I have a 2011 chevy 2500. 6.6 turbo diesel at 136k miles. My def heater just went out and my dealership said it's only under warranty until 120k miles. I've been looking online and there's a lot of 2011s that are having the same problem. Someone needs to step up and be responsible for this. It's costing me $1200 to fix plus a day off work. I'm self employed and if I sell a faulty product I'm required to replace for free. G.m should be doing the same.

Filed Sep 10, 2019 · Fuel system · 123,000 miles · FL

Tl* the contact owns a 2011 chevrolet silverado 2500. While driving approximately 35 MPH, the vehicle stalled. The contact coasted the vehicle to the side of the road. There were no warning indicators illuminated. The vehicle was towed to the contact's residence and then towed to bomnin chevrolet (8455 s dixie hwy, miami, fl 33143). The dealer diagnosed that the cp4 fuel pump failed and needed replacement. The manufacturer was not notified of the failure. The vehicle was not repaired. The approximate failure mileage was 123,000.

Filed Apr 22, 2019 · Fuel system · VA

An article in trailer life (may, 2019) identified that the bosch cp4.2 high-pressure fuel-injection pump is subject to catastrophic failure. It points out this is a common failure, a design issue and will cost many $1000's to repair. It has been called a "fatal flaw". It should be replaced with a unit that is reliable by the manufacturer if this is a common problem. Michigan s&s motorsport states this is a known problem and is common to 2011 to 2016 duramax diesel silverados using the bosch cp4.2 fuel-injection pump.

Filed Sep 20, 2016 · Engine, Fuel system · 78,000 miles · AL

Exhaust manifold bolts are breaking despite regular non commercial use and proper maintenance. This causes an exhaust leak and I am not comfortable driving my infant in the truck now. Dealer says 4 how odd labor plus parts so approx $1000 fix? That's unreasonable for any motor but especially under 120000km.