
1998 Buick Century Custom 3.1L Poor Fuel Economy
car gets about 16 mpg. vehickle runs like it has a bad cat under heavy acceleration. stft at idle is -10 TO -20 ltft is the same and gets worse when driven. map value at idle is 39 kpa and at cruise is 46kpa. map volts is 1.21 at idle and changes normally unde...
Summary posted 8/14/2010
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)14 Replies Received(Hide Replies)14 Replies Received
|
Message Closed w/Summary
|
VIN | 2G4WS52M4W |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy |
Occurs | Always |
Message Closed w/Summary
Vehicle Data
1998 Buick Century Custom
VIN | 2G4WS52M4W |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy |
Occurs | Always |