
1991 Buick Century Custom 3.3L Poor Idle Quality
Engine idles rough when as soon as it goes into closed loop and integrator goes down to 80 and smells rich coming from tailpipe. Checked fuel pressure and pressure is at 42 psi. Checked vacuum and it is a steady 14 inches. Tried another mass airflow sensor and...
FIX posted 8/31/2015
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Message Closed w/FIX
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VIN | 1G4AH54N0M |
Engine | 3.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | Fuel Injection / fuel injection system |
Symptoms | Poor Idle Quality |
Occurs | Hot |
Message Closed w/FIX
Vehicle Data
1991 Buick Century Custom
VIN | 1G4AH54N0M |
Engine | 3.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | Fuel Injection / fuel injection system |
Symptoms | Poor Idle Quality |
Occurs | Hot |