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1991 GMC V2500 Suburban 5.7L Poor Idle Quality, Hesitation, WILL NOT REV
This vehicle will not rev up over idle - falls flat on its face. When carb spray is introduced the engine will rev. None of the work performed thus far has changed the problem. This model (4L80-E transmission) does not have the ECS control module.
FIX posted 2/18/2004
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Message Closed w/FIX
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9 Replies Received
9 Replies Received
Related Documents & Media | VIN | 1GKGV26K3M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality, Hesitation, Will Not Rev |
| Occurs | Always, on Accel |
| Misc. | 4L80-E Transmission |
Trouble Codes
| 43 | Electronic Spark Control Circuit |
Message Closed w/FIX
Vehicle Data
1991 GMC V2500 Suburban
| VIN | 1GKGV26K3M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality, Hesitation, Will Not Rev |
| Occurs | Always, on Accel |
| Misc. | 4L80-E Transmission |
Trouble Codes
| 43 | Electronic Spark Control Circuit |
Video