1997 Oldsmobile 88 Royale 3.8L MIL Lamp on
hello eveyone need some help here car came in with siezed motor replaced motor upper and lower intake manifolds. car ran fine no codes. after 1 week customer returned found code po401 inssuficant egr flow. Tested egr and map sensor seem to working properly any...
FIX posted 5/16/2004
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Message Closed w/FIX
Vehicle Data1997 Oldsmobile 88 Royale
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1997 Oldsmobile 88 Royale
VIN | 1G3HN52K5V |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | EGR |
Misc. | 4 Dr |
Trouble Codes
P0401 | EGR System Insufficient Flow Detected |