P1509 Diagnostic Trouble Code Discussion for August 2013
Idle Speed High - IAC System Not Responding
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| Help Request | Posted | |
| 1998 Chevrolet C3500 Cheyenne 5.7L Poor Idle Quality VIN: 1GBJP32R2W P1509: Idle Speed High - IAC System Not Responding. ... truck came in about a week back with a C E L lite on (p1509) the I A C was replaced .ran great about a week now it is back at the shop. with high idle around 2300 rpm can not control idle with scan tool I A C reads 0. T P S works fine the tech who checked ... |
August 14, 2013 |
