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Fuel issue?

kewGTP

kewGTP

New member
I started having this issue about two weeks ago when I went to go get onto the highway, got into boost, car spit and sputtered and died. I threw it in neutral and continued on my trip for the day. Fast forward to the present and I am not sure what I have on my hands, is it the fuel pump? (I am running the stock pump on e85 and 60# injectors) or is it spark related (car has a increasingly hard time to start, even on top of the initial e85 cold starts issues) I am leaning out from 11.2 to 13.2 when the spit/sputtering happens when i attempt to go into any amount of boost so i am kind of thinking it's more fuel related. Someone else has suggested it could be a bad MAF sensor? how would I check that? TIA peeps
 


Hook up a fuel pressure gauge. Stick it under the windshield wiper so you can see it. Make a WOT pull and see if your fuel pressure is dropping out. Troubleshoot from there. Might even be able to rent one at AZ or Advance if you don't have one.
 
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