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1998 GMC C3500 Sierra SL 6.5L Poor Idle Quality,
Have a concern with pcm suppling 5 volts on both app2 and app3 signal lines. Connector C1 on Terminals D4 and C5. I have tried 2 other "remmaned pcm's" with same out come. Have cut the 3 signal wires at pcm, voltage readings on APP side show correct, still 5 v...
FIX posted 10/23/2009
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GDKC34F2W |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, |
| Occurs | Always |
Trouble Codes
| P1125 | TP Sensor 1 Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1998 GMC C3500 Sierra SL
| VIN | 1GDKC34F2W |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, |
| Occurs | Always |
Trouble Codes
| P1125 | TP Sensor 1 Circuit Malfunction |
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