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2002 Buick LeSabre Custom 3.8L Poor Idle Quality, Poor Fuel Economy, high idle
Posted to GM Driveability on 10/12/2020 36 Replies

Good morning to all As you can see I inherited a mess from another party that worked on this [...] I have stated this runs at 3000 rpms even after warmed up but twice it has run like it is supposed to idles around 1000 rpms take it for it for a twenty mile...

36 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

2002 Buick LeSabre Custom

VIN 1G4HP54K42
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Poor Fuel Economy, High Idle
OccursIdle, Almost Always
Message Closed w/Summary

car Vehicle Data

2002 Buick LeSabre Custom

VIN 1G4HP54K42
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Poor Fuel Economy, High Idle
OccursIdle, Almost Always