Noid light tested the injectors there all pulsing ok. What would cause it to run so rich? I can shut the fuel pump (it's on a switch) and the car will idle 15 min. Not a vacuum problem not a spark problem. This is a fuel problen. I think it's something in my 5v system because I can unplug cts...
Tried a 3rd ecu, same shit. So here's the recap new o2, New water temp sensor, new map, New fuel pump and new plugs tried a friend's coils, fpr and injectors. Recalibrated tps 10x. Cleaned iacv and tried a block off plate. Tested for vacuum leaks 1000 times. Car still runs super rich and after...
Ok the ecu had leaky caps, so I grabbed a known working ecu. Put the iacv back on. Car idles fine now. But after warm up it breaks up under any kind of throttle just like it did without the iacv with the old ecu. And I can't get it to show me codes still, I'm using a multimeter on the w pin and...
Went for a test drive with the block off plate on for the iacv. Car idles, it drove alright but as soon as it warmed up it hit fuel cut and breaks up with any throttle wouldn't even free rev, figure the map came unplugged but no it was still hooked up.... Water temp sensor???
So ive read tons of threads and haven't gotten really any where.
Story time!! I have a sc300 bought a 1jzgte r154 ecu and harness threw it at the car
Re calibrated tps bought a 2jzgte map new plugs water pump main seals timing belt clutch ect
Motor is stock just fmic and down pipe straight...
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