Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Removal and Replacement
1997 Mercury Tracer L4-122 2.0L SOHCSECTION Removal and Replacement
REMOVAL AND INSTALLATION
1. Disconnect the battery ground cable.
NOTE: When battery voltage is removed from the Powertrain Control Module (PCM), all learned values will be cleared and reset to predetermined values. When battery voltage is restored to the PCM, the vehicle may exhibit certain driveability concerns. It will be necessary to drive the vehicle to allow the PCM to relearn values for optimum driveablilty and performance.
2. Remove the parking brake and shift consoles.
3. Place the gearshift lever in LOW and remove the four transmission control selector dial bezel screws.
4. Turn the transmission control selector dial bezel one quarter turn counterclockwise.
5. Loosen the PCM electrical connector bolt and disconnect the PCM electrical connector.
6. Slide the PCM straight out.
7. To install, reverse the removal procedure.
8. Connect the battery ground cable.
1. Disconnect the battery ground cable.
NOTE: When battery voltage is removed from the Powertrain Control Module (PCM), all learned values will be cleared and reset to predetermined values. When battery voltage is restored to the PCM, the vehicle may exhibit certain driveability concerns. It will be necessary to drive the vehicle to allow the PCM to relearn values for optimum driveablilty and performance.
2. Remove the parking brake and shift consoles.
3. Place the gearshift lever in LOW and remove the four transmission control selector dial bezel screws.
4. Turn the transmission control selector dial bezel one quarter turn counterclockwise.
5. Loosen the PCM electrical connector bolt and disconnect the PCM electrical connector.
6. Slide the PCM straight out.
7. To install, reverse the removal procedure.
8. Connect the battery ground cable.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.