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P0509 Diagnostic Trouble Code Discussion for December 2010

Idle Air Control Motor Sense Circuit High

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Trouble Ticket Help Requests for DTC P0509
Help Request Posted
2002 Dodge Neon SE 2.0L Poor Idle Quality, Cuts out, Stall VIN: 1B3ES26C72
P0509: Idle Air Control Valve Circuit Voltage High. ... there who can help me. My problem is my customer brought in this Neon because it suddenly died after coming to a stop while she was driving. Then it would not start. Turns out it would start if you pressed the accelerator a bit. So I got it started but it ...
December 28, 2010