Debugging ECU
02-24-2020, 11:09 PM
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Join Date: Feb 2020
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Debugging ECU
Hi all I am new to the miata community and have just picked up a 94 with a FM2 Kit and from what I can tell its the older kit with the snake tubing and small intercooler. I bought it on a no start and I got it running with a new TPS. Currently the car idles fine but every so often the idle drops and the car will die unless you keep it alive, and the tach jumps around but then it returns back to nromal. Also the car seems to be running super rich and this may be one of my problems. It also seems to either boost cut or rich cut at around 4k rpm on acceleration. The car is run by the piggyback LINK ecu and ive been reading old manuals. Does someone know what could be causing the surge in idle and is there a way to reset the ECU to factory, I am aware that I need to do tests and tat the ECU needs to relearn its tune. Thanks, John
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