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1997 GMC C3500 Sierra SL 7.4L Lock Up Convertor
No convertor lockup,scan data duty cycle stays at 0%. If you command lock up with TECH2 duty cycles from 0 to 97% and engine rpm drops. All scan data, including TPS appears normal and there are no codes. Note: Odometer only increments .9 for every milemarker. ...
Summary posted 1/29/2004
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Message Closed w/Summary
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8 Replies Received
Related Documents & Media | VIN | 1GTHC39J9V |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Affected | Lock Up Convertor |
| Conditions | No Lockup |
Message Closed w/Summary
Vehicle Data
1997 GMC C3500 Sierra SL
| VIN | 1GTHC39J9V |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Affected | Lock Up Convertor |
| Conditions | No Lockup |
Video