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1992 Buick Roadmaster Limited 5.7L EGR System
Posted to GM Driveability on 2/29/2012 12 Replies

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...

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  Related Documents & Media  1992 Buick Roadmaster Limited

 
Message Closed w/FIX

car Vehicle Data

1992 Buick Roadmaster Limited

VIN 1G4BT537XN
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / TBI
EmissionsCA Emissions
SymptomsEGR System
OccursAlways, on Accel, Idle
Message Closed w/FIX

car Vehicle Data

1992 Buick Roadmaster Limited

VIN 1G4BT537XN
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / TBI
EmissionsCA Emissions
SymptomsEGR System
OccursAlways, on Accel, Idle