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1993 GMC Jimmy SLE 4.3L Turbo Overboost
followed flow chart found bad wastegate control [...] valve and re-tested. problem still exists. tech 2 showing 15 lbs. boost. what is correct boost? can not find information for this. problem only occurs from 60 mph when pedal is [...] problem off [...] doesn...
FIX posted 10/16/2003
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Related Documents & Media | VIN | 1GDCT18Z7P |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Turbo Overboost |
| Occurs | Under Load, on Accel, Intermittently |
Trouble Codes
| 31 | turbo over boost |
Message Closed
Vehicle Data
1993 GMC Jimmy SLE
| VIN | 1GDCT18Z7P |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Turbo Overboost |
| Occurs | Under Load, on Accel, Intermittently |
Trouble Codes
| 31 | turbo over boost |
Video