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1995 Oldsmobile 88 Royale 3.8L MIL Lamp on
Posted to GM Driveability on 1/4/2002 2 Replies

Customer states that while driving, the vehicle intermittantly shudders. I have not been able to duplicate. I cannot find anything in my books telling me what to do about 623 prom error. Does the passages plug on the egr system like the 3.1L?

2 Replies Received (View Replies)

  Related Documents & Media  1995 Oldsmobile 88 Royale

 
Message Closed w/Summary

car Vehicle Data

1995 Oldsmobile 88 Royale

VIN 1G3HN52K2S
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot, Intermittently

Trouble Codes

401egr flow failure
406EGR pintle position error
623Prom error
626vats failure
Message Closed w/Summary

car Vehicle Data

1995 Oldsmobile 88 Royale

VIN 1G3HN52K2S
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot, Intermittently

Trouble Codes

401egr flow failure
406EGR pintle position error
623Prom error
626vats failure