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P2100 Diagnostic Trouble Code Discussion for October 2013

Electronic Throttle Control Motor Circuit / Open (Bank 1)

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Trouble Ticket Help Requests for DTC P2100
Help Request Posted
2004 Mazda 6 i 2.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1YVHP81C14
P2100: Throttle Actuator Circuit Open. ... with severe knock in the bottom end. We replaced the engine with a used one, engine swap went well and the car ran great for 6 months. Came in 3 weeks ago running very poorly on 2 cylinders and would not respond to throttle input. Scanned and got code P210...
October 28, 2013