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Old 07-23-2014, 07:01 PM
fordbox7.3 fordbox7.3 is offline
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Hello all, after a couple days off and a quick trip to Maine I'm back at trying to diagnose why the truck isn't starting. I've gotten a code scanner and it isn't finding any fault codes. I've taken out the fuel filter, which looked rather clean and inspected the fuel bowl, everything looks good there. The obd2 scanner does pick up the rpm when I try to crank over the motor so I'm assuming that means the cps sensor is working correctly. The rpm's only hit 150 when the engine is cranking, is this normal? At this point I have the fuel bowl empty and have purchased a new fuel filter, should I fill fuel bowl with fresh fuel and reinstall new filter and try to check for fuel psi? If I'm not getting fuel psi is it safe to assume the mechanical fuel pump is shot and I should install a new one? Any help with this topic is greatly appreciated!
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