Compression Ignition Addict
Join Date: Nov 2009
Location: North County of San Diego
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Possible AIRDOG2 issues need some help
I have been running an airdog 2 for a year now and not had any issues till tonight and still not sure it is the pump. I was driving home tonight and noticed my fuel pressure gauge was jumping from 66psi where I have it set , to 56 psi. I was on the freeway going about 70 when I noticed the gauge went to 50psi and then completely went to 0 and no movement at all when I let off the pedal or not. I pulled over and shut off engine and ran my edge CTS to see if any DTC popped up and none did. I turned it back on and it turned over with no problems at all but gauge was still not moving. I drove home and still noticed no difference in performance. When I got in town at a stop light it felt like it was looking for fuel ONE time. When I parked at home I noticed my pump was not making the same hum or noise I am used to when it is pushing fuel.. If my AD2 is either going out or not working properly would my truck still drive, turn over with no problem or is the engine sucking fuel from tank and I may be starving my injectors?
RCD 4.5" lift with Airlift system, 4" MBRP turbo back minus KITTY & MUFFLER, AFE Stage II Pro Gaurd 7 intake, SCT X3 with Custom tunes, EDGE CTS for gagues with Pyro Probe, ARP studs, BPD Egr, Updated FORD oil cooler, Diesel Site Coolant Filter, AirDog II, 6.4 Banjo's, Upgraded BLUE fuel pressure spring, autometer in cab fuel pressure gaugs, Mag Hytec rear Diff cover, Full HID Xeon lights with HID Foggs, Recon LED tail and 3rd break lights all on 35X12.5R20's Toyo M/T's, XD Misfit rims.