Didn't take long..
So I picked the car up from the mechanic today, all in time and great. He said it wasn't running right still, I said eh whatever I got this. So the idle adjustment screw was all the way out, and the AFM hose was off making a huge vacuum leak. So fixed those, drove the car around for a few minutes, got some new plugs since the old ones fouled (I assumed because I drove it to the mechanic out of time). Filled up with gas and sea foam and drove about 4 hours. No problems for the first little bit, but then the car started to backfire at higher RPMS in higher gears. Then it started to feel like it was missing a little when I was in high RPMS in lower gears, and then got to where I couldn't go past about 3k RPMS in 3rd or 4th, and I could hear little backfires coming out of the exhaust. No huge gun pops but just little ones. Checked the plugs, fouled again. So something is fouling my plugs. I got home, parked it and left it sit for a couple hours. Came back, tried to start it and it wouldn't start. Cranked and cranked. So I kicked the ECU a few times (LIGHTLY) with my foot, because making sure it was attached well last time had cured my injector problem, and sure enough it fired up. Drove it to my garage, and grabbed my handy dandy EFI Bible/FSM. Ran all the tests hoping to find what made me backfire. Two came back wrong, TPS at idle, and Pins 6-8 on the AFM (PDX, I know you're lurking going "I told you at least 3 times that one isn't the important one"). So I figured, well can't hurt to fix the TPS but that won't fix whats going on at higher RPM's. So I adjusted the little wiper to touch, put it all back together, and wouldn't start again. So I figured, ah what the ****, TPS isn't right, I'll just disconnect it again and go for a spin. So I took it off, sure enough started right up. Drove it around, no better than it was, and then almost back it died on me. After fooling around with it I finally got it back to where it was suppose to be and got the car to start with a few more kicks to the ECU. So after all this my question is, do you all think the TPS being off at idle would be enough to foul the plugs again, then cause me to backfire at higher RPMS/Gears (Because of fouled plugs not TPS)? If not, what should I be looking for? I've sprayed the car down with starting fluid and I'm pretty sure I don't have a leak.
All Tests are within FSM specs (EXCEPT 6-8 AFM, PDX GIVE ME THE PEACE AT MIND AND TELL ME HOW TO FIX IT
Timing is 100% correct. Just had a mechanic do it.
Plugs are fouled
Getting 34 or 35PSI fuel pressure with no vacuum reference, 32 or so at idle.
I don't believe the TPS can "go bad" it seems to just be wipers? The middle wiper does move as it should.
Ignition system is pretty much all brand new, so it has adequate spark.
Felt pretty good to actually get to drive it around today though, glad it didn't cut out on me while I was farther away from home