P2635 Diagnostic Trouble Code Discussion for February 2021
Fuel Pump Flow Performance
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P2635
| Help Request | Posted | |
| 2012 Chevrolet Silverado 1500 LT 5.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCRKSE70C P2635: Fuel Pump Flow Performance. ... doesn't want to rev above 2500 rpms under load, such as going up a steep grade. Keeps setting P0101 and P2635 codes, have checked fuel pressure both engine off (57 psi) , at idle and while driving, fuel pressure stays pre... |
February 15, 2021 | |
| 2017 Chevrolet Silverado 1500 LT 4.3L MIL Lamp on VIN: 1GCRCPEH5J P2635: Fuel Pump Flow Performance. ... replaced hi pressure fuel pump for lean codes. Lean codes are gone. Now it sets a P2635 Fuel Pump Flow Performance code within a few seconds of putting it in drive and taking off. Code states ecm is seeing a descrepency in the fuel pressure ecm is com... |
February 20, 2021 |
