1993 Buick Park Avenue Ultra 3.8L MIL Lamp on
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...
FIX posted 9/27/2006
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Vehicle Data1993 Buick Park Avenue Ultra
Trouble Codes
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Vehicle Data
1993 Buick Park Avenue Ultra
VIN | 1G4CU5315P |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | fed |
Symptoms | MIL Lamp On |
Occurs | On Decel |
Trouble Codes
55 | egr solenoid 3 fault |