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1992 Buick Roadmaster Limited 5.7L EGR System
Tried also a new ECU, verified prom with dealer, checked wiring continuity from ecu to the solenoid. All input sensor replaced. Checked all ref voltage ground and signal to the input sensors. Also jumped a bypass wire from ecu #435 gray pin # A4 to egr solenoi...
FIX posted 3/15/2012
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Message Closed w/FIX
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12 Replies Received
12 Replies Received
Related Documents & Media | VIN | 1G4BT537XN |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | Fuel Injection / TBI |
| Emissions | CA Emissions |
| Symptoms | EGR System |
| Occurs | Always, on Accel, Idle |
Message Closed w/FIX
Vehicle Data
1992 Buick Roadmaster Limited
| VIN | 1G4BT537XN |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | Fuel Injection / TBI |
| Emissions | CA Emissions |
| Symptoms | EGR System |
| Occurs | Always, on Accel, Idle |
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