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1990 Buick Century Custom 3.3L Poor Idle Quality, Hesitation
Car came in running very poor. Scan data, ignition scope & fuel pressure looked good. 02 was slightly lean biased. Removed air flow sensor & found the tip very dirty. Cleaned with alcohol & performance improved. Done an upper engine cleaning service & that...
FIX posted 11/18/1999
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| VIN | 1G4AH54N9L |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI |
| Symptoms | Poor Idle Quality, Hesitation |
| Occurs | Cold |
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Vehicle Data
1990 Buick Century Custom
| VIN | 1G4AH54N9L |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI |
| Symptoms | Poor Idle Quality, Hesitation |
| Occurs | Cold |
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