|
1991 GMC K3500 Sierra 7.4L Computer
have let vehicle idle from cold start. idles as computer desires till warm. then idle will rise when given throttle and let off will not reset to desired comp idle. some times rests at 50 rpm above and other times 250 rpm above. will stay in open loop at idle ...
FIX posted 4/6/2004
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 4 Replies Received (View Replies)4 Replies Received (Hide Replies)
|
Message Closed
|
4 Replies Received
4 Replies Received
Related Documents & Media | VIN | 1GCHC34NXM |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Affected | Computer |
| Conditions | Idle/Miss Fire |
| Misc. | 7.4 |
Message Closed
Vehicle Data
1991 GMC K3500 Sierra
| VIN | 1GCHC34NXM |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Affected | Computer |
| Conditions | Idle/Miss Fire |
| Misc. | 7.4 |
Video