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International Automotive Technicians Network
1997 Buick LeSabre Limited 3.8L MIL Lamp on
Posted to GM Driveability on 1/27/2012 22 Replies

Hello fellow Iatn members. I have this Buick that keeps popping up a 1406 code. While viewing live data, I see the valve position at idle is at 2% while desired is 0%. I have verified that there is no restriction on the intake side of the valve and no back pre...

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  Related Documents & Media  1997 Buick LeSabre Limited

 
Message Closed w/Summary

car Vehicle Data

1997 Buick LeSabre Limited

VIN 1G4HR52K9V
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Misc.New Engine @ 180K

Trouble Codes

P1406EGR Valve Pintle Position Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

1997 Buick LeSabre Limited

VIN 1G4HR52K9V
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Misc.New Engine @ 180K

Trouble Codes

P1406EGR Valve Pintle Position Circuit Malfunction