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1994 Oldsmobile 88 Royale LS 3.8L Hesitation, MIL Lamp on
Posted to GM Driveability on 1/15/2000

Had code PO1406 EGR problem. cannot make EGR funtion with snap on scanner [Not an option w/ Snap-on scanner under funtional tests] replaced EGR same problem.[went through flow chart for this code before replacement of EGR] tried USED ECM. still same proble...

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car Vehicle Data

1994 Oldsmobile 88 Royale LS

VIN 1G3HY52L6R
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsHesitation, MIL Lamp On
OccursAlways
Misc.Prom Id 4814

Trouble Codes

P1406EGR Valve Pintle Position Circuit Malfunction
Message Closed

car Vehicle Data

1994 Oldsmobile 88 Royale LS

VIN 1G3HY52L6R
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsHesitation, MIL Lamp On
OccursAlways
Misc.Prom Id 4814

Trouble Codes

P1406EGR Valve Pintle Position Circuit Malfunction