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1986 GMC C1500 4.3L Power output/pinging
The original complaint on this truck was runs rough/lack of power. A compleate anaylsis was performed and worn spark plugs and a open plug wire was found to be the cause of the rough running. It was also discovered that the timing was only advancing to 20b...
FIX posted 2/21/1999
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| VIN | 1GTCC14N4G |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | CARB / non-feedback Quadrajet |
| Emissions | US Fed |
| Symptoms | Power Output/Pinging |
| Occurs | Cold, on Accel |
| Misc. | Non-Feedback, Esc Ignition |
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Vehicle Data
1986 GMC C1500
| VIN | 1GTCC14N4G |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | CARB / non-feedback Quadrajet |
| Emissions | US Fed |
| Symptoms | Power Output/Pinging |
| Occurs | Cold, on Accel |
| Misc. | Non-Feedback, Esc Ignition |
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