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2000 civic ex iac issues my check engine light is on. its reading p0505. I have been fighting this for 2 months. i found the knock sensor broken and the wire grounded to the valve cover..replaced that. i have replaced the iac twice, ecu, pcv valve, had the induction cleanse done, plugs and wires, I've replaced the intake and exhaust gaskets and the problem is still this: erratic idle, jerky throttle response, bucking at desired speed, loss of power, smell of antifreeze and exhaust or oil inside

Posted / edited by AnonymousUser on : 20-05-2019

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