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1991 Cadillac DeVille 4.9L Excessive Emissions, Poor Idle Quality, Stall, Misfire, MIL Lamp on
when the car acts up the speedo goes to 0 mph while the car is moving.I do not loose the mph reading on my scan tool./All the ground in front of the engine and by the alternator were tested-.2 volt drop max. Pin A3 ( bcm serial data in) and E5 ( bcm serial dat...
FIX posted 7/15/2001
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G6CD53B6M |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | ca Emissions |
| Symptoms | Excessive Emissions, Poor Idle Quality, Stall, Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| E47 | bcm not communicating |
Message Closed w/FIX
Vehicle Data
1991 Cadillac DeVille
| VIN | 1G6CD53B6M |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | ca Emissions |
| Symptoms | Excessive Emissions, Poor Idle Quality, Stall, Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| E47 | bcm not communicating |
Video