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  1. Engine Management
    Just bought my first honda a 1990hatch and it came with a jdm d15b vtec e that is being run by a p28 ecu. Ecu is stock and creating some problems. Idle surges when motor warms up and is out of closed loop. Runs rich. Vtec hits at 5k. Due to ecu and pulls hard. I can bury tach which ends at 8k. I...
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