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1991 Buick Park Avenue 3.8L Hesitation, Cuts out, Stall, NO COMMUNICATION
computer will not communicate with snap-on or master-tech scan tools. c.e. light flashes code 12 with aldl a&b pins shorted. we have tested all power supplies and ground circuits. tps 5v ref. signal is good & steady. tested circuit 461 (serial data) for shorts...
FIX posted 1/20/2003
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G4CW53L4M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TUNED PORT INJECTION |
| Emissions | CA EMISSIONS |
| Symptoms | Hesitation, Cuts Out, Stall, No Communication |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1991 Buick Park Avenue
| VIN | 1G4CW53L4M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TUNED PORT INJECTION |
| Emissions | CA EMISSIONS |
| Symptoms | Hesitation, Cuts Out, Stall, No Communication |
| Occurs | Always |
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