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1991 Ford Mustang LX 2.3L MIL Lamp on
I don't have the capability to monitor O2 sensor. Is there one component that could cause all 3 codes?
FIX posted 9/26/2010
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Message Closed
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Related Documents & Media | VIN | 1FACP40M8M |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 172 | Lack of O2 switches lean |
| 186 | Injector pulse width higher than expected |
| 328 | EGR closed valve voltage lower than expected |
Message Closed
Vehicle Data
1991 Ford Mustang LX
| VIN | 1FACP40M8M |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 172 | Lack of O2 switches lean |
| 186 | Injector pulse width higher than expected |
| 328 | EGR closed valve voltage lower than expected |
Video