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Thought I had fuel???

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Old Jun 2, 2024 | 10:59 AM
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Default Thought I had fuel???

I tested the fuel line pressure and it is right at 50lbs when you first turn the key on and the pump primes the rail.and once it cranks it stays there. I put a test light on the Coil, injector hot wire(green with orange stripe) and the fuel pump power wire. To see if the computer was cutting power as a auto shutdown mode. But they all have power when it dies . So I got a can of break cleaner and sprayed it in the throttle body when I cranked it and as long as I sprayed it in would keep running. So my problem is fuel related.but with the pump good the only thing I can think would be...a fuel filter? Would that cause it to start run and then die? Any help would be awesome!!!!

 
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Old Jun 3, 2024 | 08:28 AM
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If pressure is good, then it it isn't the pump, or the filter. (and I think the filter is actually part of the pump module, in the tank....)

Are you getting any codes??
 
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Old Jun 3, 2024 | 09:27 PM
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Sounds like fuel injectors are not firing. Just because you have rail pressure doesn't mean it's actually come out of the injectors. As HeyYou said, the filter and pump mono-assembly is inside the tank. If you're getting rail pressure, all that jazz is in good working order.

Flip you test light around if you can. Connect the "ground" strap to a known good voltage (like the PDC stud) and backprobe the ground side of the fuel injectors. That will tell you if the PCM is grounding the injectors to make them fire.
 
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