Low pressure code and Engine failure mode. Please help!

[mallard8]

Did the previous owner run E85? I have heard that E85 will lead to gunk building up, maybe there is a lot of it floating around and it’s clogging things up. If so, that’s going to be a real pain to clean up unfortunately.

I suspect he did, it was a texas car

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[mallard8]

Something else to look out for that will give you a clue as to whether the car has an E85 tuneup in it, is to look at the Air Fuel gauge on the dash and if it reads 9.8 or so, you have an E85 tune in it. That would be problematic if you’re running 93 fuel on an E85 tuneup.

So i do suspect that the previous owner did run E85 as it was a texas car, but I've got my own 93 tune on it now.

 

[NGOT8R]

No BAP that i can see. Ill double check but i don't think there is anything like that

Mine is mounted to the rear seat back, but many people mount them in the spare tire well.

 

[Cobra Jet]

I am still getting a P008A low pressure code on my 21 GT. I have replaced the entire fuel pump, injector rail sensor, and high pressure pump. I have inspected fuel lines to make sure that they are all in the correct direction and orientation and am not sure what else to do. Whenever I accelerate past about 3500, i get a wrench light and the car cuts power and immediately goes into engine management/failure mode.

Got headers, JLT CAI, and full exhaust, and previous owner did remove a supercharger before selling. I attached my latest datalog.
Any suggestions are really appreciated, i need help!

Here's an older thread about the P008A I had posted, see if it's helpful:
https://www.mustang6g.com/forums/th...-5-0-2017-2021-errors-p0087-and-p008a.167284/

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