P0509 Diagnostic Trouble Code Discussion for August 2005
Idle Air Control Motor Sense Circuit High
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| Help Request | Posted | |
| 2000 Saturn SL2 1.9L Poor Idle Quality, Stall, MIL Lamp on VIN: 1G8ZK5272Y P0509: IAC Valve Circuit High Input. cust states that engine stalled after cold start one morning. must keep feet on brake and throttle when come to stop or engine will die. using snap on scanner, engine will not respond to idle up or down command. 1ac counts are approx 140 when engine is idling ... |
August 08, 2005 | |
| 2001 Saturn SC1 1.9L MIL Lamp on VIN: 1G8ZN12801 P0509: IAC Valve Circuit High Input. Grettings fellow Technicians. I have 2001 Saturn with your 1.9L engine, SOHC. When the engine starts, she idles up to about 3-4'000 RPM's and remains at that speed. If I disconnect the IAC, the high idle remains the same. I used a Solus, MT200 and Mentor,,, al... |
August 08, 2005 | |
| 2001 Saturn SC1 1.9L MIL Lamp on VIN: 1G8ZN12801 P0509: IAC Valve Circuit High Input. Grettings fellow Technicians. I have 2001 Saturn with your 1.9L engine, SOHC. When the engine starts, she idles up to about 3-4'000 RPM's and remains at that speed. If I disconnect the IAC, the high idle remains the same. I used a Solus, MT200 and Mentor,,, al... |
August 09, 2005 | |
| 2000 Saturn SL2 1.9L Poor Idle Quality, Stall, MIL Lamp on VIN: 1G8ZK5272Y P0509: IAC Valve Circuit High Input. cust states that engine stalled after cold start one morning. must keep feet on brake and throttle when come to stop or engine will die. using snap on scanner, engine will not respond to idle up or down command. 1ac counts are approx 140 when engine is idling ... |
August 20, 2005 |
