update
Swapped TPS and another throttle body but still have the code and a really bad idle. Also can't keep pedal at the same position or it starts to hesitate.
This is driving me crazy please help.
JDM 98 B18B into my 98 Civic. I used a 98 CDN Integra ECU. Everything went good except I get this ecu code P1508 Idle Air Control Valve (IACV) Circuit Malfunction. I had my old D16Y8 throttle body on because the MAP and TPS sensors were damaged so I thought that was the problem. I just swapped...
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