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Icp 3650 wot. 640's@ idle. Icr 25.3@ idle 68 wot. 20# boost @ wot Normal take off boost is @2.5@ 20 mph 4.0@40mph then it hangs out between 3-5# @ 60mph Yeah it an o3
well all these numbers look ok so far
HPO is good no leaks
Boost at 20 psi at WOT is a little low but not to bad would expect it to be worse if it leaked Veins might need a cleaning but shouldnt be the cause of your issues
Hows the FICM volts???
and alternator volts??
Hows the fuel pressure??
I got the fuel filters changed this evening and took her for a spin it seems to be running normal I guess 7000 miles between changes is too long for me. I guess that just adds another thing to do on my oil changes. I have noticed the blower only quits when I put the truck in 4x4?
I got the fuel filters changed this evening and took her for a spin it seems to be running normal I guess 7000 miles between changes is too long for me. I guess that just adds another thing to do on my oil changes. I have noticed the blower only quits when I put the truck in 4x4?
As I said - you have a vacuum leak.
The 4x4 solenoid is a common leak point (passenger fender wall area)