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2001 Buick Century Custom 3.1L MIL Lamp on
Posted to GM Driveability on 1/8/2004 18 Replies

The complaint was a MIL on. No driveability problems. Code P1404. Scanner (Snap-On) showed EGR position as 11% at idle. Sounds like a piece of carbon, right? Removed and cleaned valve (looked OK). Code reset. Replaced valve. Code reset. Reference 5.01V. Unplug...

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  Related Documents & Media  2001 Buick Century Custom

 
Message Closed w/FIX

car Vehicle Data

2001 Buick Century Custom

VIN 2G4WS52J01
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.MIL On

Trouble Codes

P1404EGR Valve Stuck Closed Malfunction
Message Closed w/FIX

car Vehicle Data

2001 Buick Century Custom

VIN 2G4WS52J01
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.MIL On

Trouble Codes

P1404EGR Valve Stuck Closed Malfunction