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1990 Ford Taurus GL 3.8L MIL Lamp on
HELP!!! This darn Ford is beating us up! The original customer complaint was a MIL. Checked codes and found Code 91 (Left EGO Sensor Not Switching). Using our Snap-On scanner, I monitored the oxygen sensor voltages. Oxygen Sensor #2 (O2S2) on the scanner was s...
FIX posted 11/19/1998
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Message Closed
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| VIN | 1FACP5745L |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 91 | Left EGO sensor not switching |
Message Closed
Vehicle Data
1990 Ford Taurus GL
| VIN | 1FACP5745L |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 91 | Left EGO sensor not switching |
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