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1993 Buick Park Avenue Ultra 3.8L MIL Lamp on
Posted to GM Driveability on 8/15/2006 15 Replies

We have cycled the egr solenoid #3 and have seen the engine rpms drop greatly. Removed egr to inspect passages- (very open) Found the o2 sensor very sluggish so we replaced that and saw an improvement with the intergrator & block learn however the MIL light st...

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  Related Documents & Media  1993 Buick Park Avenue Ultra

 
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car Vehicle Data

1993 Buick Park Avenue Ultra

VIN 1G4CU5315P
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
Emissionsfed
SymptomsMIL Lamp On
OccursOn Decel

Trouble Codes

55egr solenoid 3 fault
Message Closed

car Vehicle Data

1993 Buick Park Avenue Ultra

VIN 1G4CU5315P
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
Emissionsfed
SymptomsMIL Lamp On
OccursOn Decel

Trouble Codes

55egr solenoid 3 fault