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1990 Mercury Cougar LS 3.8L MIL Lamp on
i have 5 volts on the v-ref and the maf sig out of pcm [pin 45] have checked all grounds 40, 60, 49, and 6, have pulled all fuses and still there, even have 1.65 v on pin 45 with pcm power relay disconnected. any ideas appreciated
FIX posted 1/13/2001
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Message Closed w/FIX
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| VIN | 1MEPM63RXL |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SEFI |
| Emissions | OBD1 |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | Super Coupe |
Trouble Codes
| 22 | map out of self test range |
Message Closed w/FIX
Vehicle Data
1990 Mercury Cougar LS
| VIN | 1MEPM63RXL |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SEFI |
| Emissions | OBD1 |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | Super Coupe |
Trouble Codes
| 22 | map out of self test range |
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