01-07-2023, 11:34 PM | #1 |
Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,670
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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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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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