I'm in a predicament, and looking for help.... this is a na to tt swap. I just installed a brand new wiring harness. The car would turn on and run rough. So I did some troubleshooting. I'm now getting no codes, well code 55. I fixed the starter relay and the TBs, i noticed that one tb was out of sync and would lift before the driver-side one. The car fired up right after doing this adjustment. It looked like it was running way better after doing this. I came back an hr later, now it cranks but doesn't fire up. Per FSM, I did a continuity test to the TPS which failed, I replaced it with a good one. This made no effect on the car. I checked for spark by pulling an ignition coil out and attaching a sparkplug to it. I got spark. I switched PTUs with a good one, I tried a different CAS ( i know they work because I can hear the plugs clicking) and nothing. I switched ECUs with a stock TT ECU and nothing. I checked fuel pressure with a gauge and at cranking it hits 40 to 43 PSI so I'm good there. what else can be causing this problem? What else can i do to troubleshoot?
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