Jun 3, 2020 · Hello, all. I believe the truck is fixed, and P2635 code is no more. Since there aren’t any tutorials on lift pump repairs, I thought I’d document my repair in this thread. Here’s what I did to fix …

May 23, 2024 · I’ve got a stock 2018 Silverado 3500 with 64K miles. Drove fine Tuesday, however I did notice some delayed throttle responses in the weeks prior. Went to start on Wednesday, all crank …

Aug 12, 2024 · 2018 L5P GMC 3500HD Denali CrewCab Dually Long Bed 68,889 miles. While 1300 miles away from Home Base and a couple turns after exiting the Interstate, the check engine light …

Jan 31, 2024 · I’m getting intermittent code P2635 low performance from fuel pump A I think it is. My truck isn’t stalling, hasn’t ever shut off on me yet. Drives good for the most part. My issues I’m having …

Aug 5, 2023 · The only codes that it had thrown up to this point is P018B ( Fuel Pres Sens B Circ Performance) and P2635 (Fuel Pump A Low Performance). I cleared the codes, they did not come …

Apr 4, 2019 · Hi all, I'm having the same issue with the code P2635 on my 2017 GMC 1500 4wd in including the voltage drop. Has any body find the solution to the problem? Quote

Feb 19, 2022 · The person I bought the truck from said the fuel pump was replaced just a while ago. Yesterday I was at the gas station waiting for a pump to open whdn the engine light came on. I ran a …

Sep 24, 2023 · Fuel pressure low DTC P2635 help Evening all. I just bought a 2017 3500hd with 112k miles, no mods. On the way home from picking it up, I got a p2635, and p1089 DTC. Cleared the …

Jun 3, 2020 · Bonsoir à tous. Je viens d'acheter un 3500hd 2017 avec 112 000 miles, sans modifications. Sur le chemin du retour après l'avoir récupéré, j'ai eu un DTC p2635 et p1089. J'ai …

Dec 24, 2023 · What are some fixes for this code. Replaced fuel pressure rail sensor and harness. Been good for 10k miles and it’s back. Code says High fuel pressure on deceleration. I think this is fairly …