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1987 Mercury Grand Marquis 5.0L MIL Lamp on
this car has code 94 and 44 for the thermactor system related to the tab and tad sensors. i have ran the flow chart for the codes which both sensors check out, repaired all vaccum problems, used breakout box and wires going to the computer from the sensors wer...
Summary posted 11/11/2006
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| VIN | [No VIN Available] |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 44 | tad sensor |
| 94 | tab sensor |
Message Closed w/Summary
Vehicle Data
1987 Mercury Grand Marquis
| VIN | [No VIN Available] |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 44 | tad sensor |
| 94 | tab sensor |
Video