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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15.

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Old 10-01-2016, 04:45 PM   #1
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RB20det flashing CEL

Hey guys, sorting out a few issues with my RB20det swapped s13 and ran into an issue I can't find any information on.

My CEL and LED light on my ECU constantly flash. Doesn't read any codes, won't switch into diagnostic mode- just a constant, steady flash of the light on the dash and the ECU.

Got the car started finally and it is in limp mode.

Car ran great for most of the drift season this year. Decided the season is over for me and let the car sit for 3 weeks. Battery is good, car barely starts. Unplugging the TPS helps it at initial start up, then plug it back in and it's fine from there.

The only things I have changed in this 3 weeks are new BKR7E spark plugs gapped at .031" and a new Bosch o2 sensor part number 13276.

Reset the ECU and still the same issue.

ECU is tuned by RS Enthalpy and the motor has a bunch of bolt ons and RB25 turbo @13psi making roughly 275hp to the wheels.

Any idea what the constant flashing CEL means? It has been in limp mode before due to a bad MAF and never flashed any CEL or ECU lights.

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