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Po452
Ok.. I'm still in a no crank mode on my swapped 03 5.3 into the IH
Thought it was plugged injectors..
Went thru the whole cleaning process..Got it back together
Still no crank.
Thought it could be fuel pressure ,Ruled that out with a gauge on the rails...
its sitting right on 58psi
So I hooked a scan tool up and its showing a po452 code
Which is fuel tank pressure fault.. which according to a search means loose gas cap
Which I dont think will keep it from starting..
And it also could be fuel tank pressure sensor, which I dont have..
The back ground
I changed the intake to a Holley 300-136, mounted the maf and throttle in the carb position
I basically copied everything that dayj1 did on his cat skinner build
I can pour a little gas thru the throttle, and itll fire right up and run that gas out
When I try normal cranking, itll hit every now and then, but never cranks
Any ideas?
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