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1991 Ford Thunderbird 3.8L Poor Idle Quality
good evening group, this one has us pulling our hair out! right bank o2 drops to 50mv at idle. idle isn't bad, but could be better. if you increase rpm slightly off idle, o2 starts switching. they are no problems with the left side. checked o2 heater circuits ...
FIX posted 7/2/1998
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| VIN | 1FAPP6046M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / multiport efi |
| Emissions | us fed |
| Symptoms | Poor Idle Quality |
| Occurs | Idle |
| Misc. | Non Supercharged |
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Vehicle Data
1991 Ford Thunderbird
| VIN | 1FAPP6046M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / multiport efi |
| Emissions | us fed |
| Symptoms | Poor Idle Quality |
| Occurs | Idle |
| Misc. | Non Supercharged |
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