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International Automotive Technicians Network
1997 Buick Skylark Custom 3.1L Poor Fuel Economy
Posted to GM Driveability on 10/30/2002 6 Replies

Hi Group. I have this '97 Skylark that went from over 30MPG down to 20MPG. the car owner tracks the mileage & does the math. Looking at the posted fuel trims it seems to me this car is running a bit rich. According to the Master tech scanner the ignition timin...

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  Related Documents & Media  1997 Buick Skylark Custom

 
Message Closed w/FIX

car Vehicle Data

1997 Buick Skylark Custom

VIN 1G4NJ52M9V
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Misc.4 Dr Sedan
Message Closed w/FIX

car Vehicle Data

1997 Buick Skylark Custom

VIN 1G4NJ52M9V
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Misc.4 Dr Sedan