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1993 Buick Century Special 3.3L Excessive Emissions
Trying to get this one through state inspection. On the dyno, as soon as throttle position reaches 4%, the O2 sensor drops to 0.01V and stays there. Artificial richening brings it to .85V instantly. If I let the TPS go back below 4%, the O2 starts switching ev...
FIX posted 8/20/2005
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1G4AG55N4P |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| 44 | System Lean History Code none current. |
Message Closed w/FIX
Vehicle Data
1993 Buick Century Special
| VIN | 1G4AG55N4P |
| Engine | 3.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Trouble Codes
| 44 | System Lean History Code none current. |
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