1999 Chevrolet K2500 Suburban 7.4L Poor Idle Quality, high idle
truck came in with intermittent high idle. we replaced iac motor and it idled perfect. customer left for 2 days and came back with same problem. no codes still. you can plug the iac hole, start it and feel the iac clicking like its trying to work but the pintl...
FIX posted 1/17/2009
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Message Closed w/FIX
Vehicle Data1999 Chevrolet K2500 Suburban
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Message Closed w/FIX
Vehicle Data
1999 Chevrolet K2500 Suburban
VIN | 3GNGK26J5X |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, High Idle |
Occurs | Idle |