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A quick update: I believe I solved my issue. I located a vacuum leak under the upper intake manifold where a block off nipple had become dry rotted and no longer fit snug onto the nipple barb. Also just out of curiosity, I pulled the EEC again and checked the repair job I did a few years ago to...

@jrichker I am reading this thread and wondering if I may be battling the same issue. I will re-check everything again since I thought I did all of this back in 2016 when I originally owned the car. edit: Just re-read through my previous build thread and I did check this already. I had to...

Key on engine off 67 85 33 96

No sir. I am only recording the psi the gauge reads when the car is idling, with vacuum line attached to the regulator. I guess its been awhile since I have set fuel psi on a regulated fuel system.

I checked the codes via KOEO only, so far. I have them on a logbook in my garage. Looked them up and seemed like all small stuff, but will respond with the exact codes later on. Only 4 codes, ... I'll check later I have 2 fuel psi gauges, one on the BBK regulator and one on the fuel rail.

Having a weird idle issue. 88 MAF conversion car, basic HCI setup. Car will idle at 500 rpm with spout unplugged and IAC unplugged. BBK Cai and OEM Sn95 Maf clocked in factory style orientation. TPS set at .99 and car starts up and idles at about 900rpms steady. Will drive fine, doenst die with...

sent from mah turlet using tapaturd

Oh yeah.. cel is gone also sent from mah turlet using tapaturd

You're the man! We appreciate your service! sent from mah turlet using tapaturd

I cleaned it all with contact cleaner and soldered a new wire on there. Guess what? This car idles perfect now. sent from mah turlet using tapaturd

I did these tests and I did get less than 1.5 ohms. I had to use a long wire and run from the engine bay down to the passenger seat of the car so I could reach my volt meter and the computer wiring harness. When I did the black/white wire to pin 46 test, it would jump from between .50 to 0.00...

When I measured the resistance between pin 46 and 40 on the A9L I have in my car I got 14.0 +-.5 Between 46 and 60 I got 12.8 On my spare I measured between 46 and 40 I got .41 and between 46 and 60 I got .41 sent from mah turlet using tapaturd

edit. sent from mah turlet using tapaturd

I tested the resistance between the grey test connector and negative terminal on the battery and I got 7.03 ohms. I removed the A9L out of the car and saw this. I checked my spare A9L and saw this sent from mah turlet using tapaturd

Thanks and will do. I remember reading that thread that you linked, back in November when I was troubleshooting this car using the "cranks ok, but no start checklist" also. In case you didn't already know, Your technical knowledge that you have shared with everyone is probably more useful than...

"Computer will not go into diagnostic mode on 86-90 model 5.0 Mustangs" So does this mean I cannot verify the CEL codes on this car? "If this ground is bad, none of the sensors mentioned will work properly. That will severely affect the car's performance. You will have hard starting, low...

I could not get the test light to flash at all.

I have a very long post but I have been struggling with this for a bit: Me and my 16 year old son bought this car as a project to work on, build, learn and use as his first car. We have addressed many issues with the car and it is almost there. It runs and drives pretty good, but the idle still...

Howdy Ford Fans, Come out to the All new Westside Roundup! All Ford monthly meet at Tommie Vaughn Performance, July 16th. This is the first of its kind and will be every 3rd Saturday morning of the month, 7:30am until about 9:30 am. Tommie Vaughn Performance 767 North Shepherd...

I am selling a Tweecer RT. Made in TEXAS! $350 I highly suggest referring to these link before purchasing. The TwEECer -- EEC-IV user programmable module EECTuning.org • Index page I also have an A9P mass air computer. This is originally for an auto car, but I have had a 5...