Low fuel pressure Duramax
I have a 03 Chevy Duramax and just replaced the fuel filter (getting ready to head for summer travels) and the next day after about 40 miles it went into limp mode with engine light on. Have enough p...
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WIF or O Ring failure would cause air to be sucked in and the truck would SHUT OFF....ask me how I know lol.
I've experienced the poo87 when pulling heavy through the mountains. AirDog 165 II lift pump/filter-water separator has solved it for the last 5-6 years. Added a fuel pressure gauge so I could monitor filters. I run at 8-9 psi and when I see <6 I change filters. I usually get 12-18 months out of the Airdog filter. I go ahead and change the OEM filter while I'm at it. I run mostly bio-diesel for the last 115k or so.
Hope you get it fixed.
I've experienced the poo87 when pulling heavy through the mountains. AirDog 165 II lift pump/filter-water separator has solved it for the last 5-6 years. Added a fuel pressure gauge so I could monitor filters. I run at 8-9 psi and when I see <6 I change filters. I usually get 12-18 months out of the Airdog filter. I go ahead and change the OEM filter while I'm at it. I run mostly bio-diesel for the last 115k or so.
Hope you get it fixed.
