
1992 Buick Roadmaster Limited 5.7L Surge
This engine use a negative back pressure vaccum operated EGR valve with an ECM controled vaccum solenoid that should be modulated with variable duty cycle at a frequency of 32 hz according to mitchell database.... On the Genisys or Snap-on scanner, I get absol...
FIX posted 6/18/2005
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Message Closed w/FIX
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VIN | 1G4BT5378N |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | OBD1 Federal |
Symptoms | Surge |
Occurs | Cold, Hot, Under Load, Cruise |
Message Closed w/FIX
Vehicle Data
1992 Buick Roadmaster Limited
VIN | 1G4BT5378N |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | OBD1 Federal |
Symptoms | Surge |
Occurs | Cold, Hot, Under Load, Cruise |