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Checked hpfp voltage while driving and it’s reading 0v but still drives like normal until I try to hit boost at 5k rpms.Unplugged it and car immediately died

I checked the oil and it didn’t smell like gas at all

I took apart the whole hpfp and spill valve and all seals looked good and it wasn’t too dirty,I cleaned all of it up.

I will check that,but I don’t see how it would randomly come loose

I will check it as soon as I get home,what could cause that?

Haha all these problems started when I took off quickly from a stop and missed 2nd??? And it bounced off the limiter twice then I got it back into 2nd and it did the sputtering. But went away for 2 days then came back and has been back since.And I still drive the car everyday,but I can’t go fast...

Here’s my logs

That could be true,but I’ve sent my tuner my logs and he says it’s weird cause everything looks completely normal except the fuel pressure drop at 5k rpms

Car started doing this recently,when wot everything is smooth until I hit 5k rpms then fuel pressure drops to 700psi or less,I’ve changed relief valve,injector seals,cleaned internals,replaced and gapped spark plugs and still can’t seem to figure out the problem.Internals looked great no scoring...