P1509 Diagnostic Trouble Code Discussion for May 2006
Idle Speed High - IAC System Not Responding
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| Help Request | Posted | |
| 2000 GMC Savana 2500 5.7L high idle P1509: Idle Speed High - IAC System Not Responding. Vehicle has an intermittent high idle problem. Does not happen at idle. When the vehicle is going down the road.I looked at the failure records and didn't seen anything unusual. The only thing was the intergrater was at 135,TPS at 9% going 36 mph. Smoked the i... |
May 24, 2006 |
