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How to replace the PCM on 1997 Mercury Cougar ?


REMOVAL
  1. Disconnect battery ground cable.
NOTE : When the battery has been disconnected or reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.
  1. Remove RH cowl side trim panel to expose PCM.
  2. Loosen engine control sensor wiring to PCM connector retainer bolt.
  3. Remove engine control sensor wiring connector from PCM.
  4. Remove PCM from bracket by pulling PCM downward.
INSTALLATION
  1. Follow removal procedure in reverse order.
  2. Tighten engine control sensor wiring connector retainer bolt to 2.7-3.7 Nm (24-32 lb in).


The diagram mentioned below will help:---



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For more car related problem troubleshooting:---
This are the sections, you can go through and click the link to read its troubleshooting.
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The car will not start?

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Car will not crank?

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Car has no spark?

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How to troubleshoot car battery?

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How to test starter solenoid?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-starter-solenoid.html

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How to test cars starter?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-cars-starter.html

How to replace starter in car?

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car will turn over but will not start?

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The Brake Indicator Light Stays On dash of car?

The ABS and Traction Control Lights stays ON dash of car?

Check Engine Light On car?

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How to replace Interior Lights on car?

Car lights not working, even after replacing the bulb/lamp?

Click this link below:--
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How to replace head lights on car?

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How to replace Parking, turn, and Brake Lights on car?

How to replace power window motor in car?

How to test relays on car?

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How to troubleshoot Engine Misfires?

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The spark plug firing order for car?

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Where is the Thermostat located in car?

How to recharge AC on Auto/Truck/car?

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How to trouble shoot speedometer?
To Order car parts online:--To get heavy discount on car parts .Click this link below:----

How to Replace Coil Springs?

How to Replace an Oil Pan Gasket?
How to Replace a Fuel Injector
How to Replace a C.O.P. Type Ignition Coil?
How to Replace a Fuel Pressure Regulator?
How to Replace a Fuel Pump?

How to Replace a Rear Lift Gate Locking Mechanism?

How to Clean a Fuel System

How to Replace an Ignition Coil

How to Replace a Windshield

How to Replace a Mass Air Flow Sensor

How to Replace a Rear Distance Sensor

How to Replace a Muffler

How to Replace an Engine

How to Replace an Intake Manifold Gasket

How to Replace an Oil Pump

How to Lubricate a Brake Pedal Linkage ?

How to Replace a Windshield Wiper Motor

How to Replace a Distributor Cap

How to Replace a Door Weather Stripping

How to Replace a Freeze Plug

How to Replace a Head Gasket

How to Replace a Heater Core

How to Replace Spark Plugs?

How to Replace a Rear Axle Bearing?

How to Replace a Front Bumper Cover

How to Replace a Manual Transmission

How to Replace a Headlight Bulb

How to Replace a Headlight Switch

How to Replace Windshield Wiper Blades

How to Replace a Cooling Fan

How to Replace a Catalytic Converter

How to Replace an Engine Mount

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How to Change a Flat Tire

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How to Replace an Ignition Control Unit

How to Replace a Brake Hose

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How to Replace a Power Steering Rack

How to Bleed Brakes with a Tool

How to Replace a Tail Light Bulb

How to Check Automatic Transmission Fluid Level

How to Change Automatic Transmission Fluid and Filter

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How to Replace an Air Intake Boot

How to Replace a Valve Cover Gasket

How to Replace a Water Pump

How to Replace a Windshield Wiper Switch

How to Replace Window Run Channel Seals

How to Replace a Window Regulator

How to Balance a Tire and Wheel

How to Replace a Window Motor
How to Adjust a Hood Release Latch?

How to Replace a Radiator Support

How to Replace a Rear Pinion Seal.

How to Replace Battery Cables

How to Replace a Proportioning Valve

How to Replace an Upper Radiator Hose

How to Replace a Lower Radiator Hose

How to Replace a Timing Belt?

How to Check for Loose or Worn Suspension

How to Check for Loose Steering System

How to Replace an Oil Pressure Switch (Sensor)

How to Replace a Fender Liner or Splash Shield

How to Replace a Hood Insulator

How to Replace a Rear Differential.

How to Repair a Hood Hinge

How to Replace a Brake Pedal Return Spring

How to Replace a Door Shell.

How to Replace a Transfer Case Front Output Seal

How to Replace a Hood Latch/Lock Assembly

How to Replace a Lift Gate Strut

How to Replace Mud Flaps (Mud Guards)

How to Check Differential Oil Leaks and Replace Oil.
How to Replace a Mirror

How to Replace a Transfer Case Shift Linkage

How to Replace a Transmission Mount

How to Replace a U-Joint

How to Replace a Washer Tank

How to Replace an A/C Line or Hose

How to Replace a Heater and A/C Blower Motor

How to Replace an ABS Control Unit

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How to Replace an Emblem

How to Replace an Exhaust Manifold Gasket

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How to Replace Shock Absorbers

How to Replace a Strut Assembly

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How to Replace a Plastic Bumper Cover

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How to Replace a Carburetor

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How to Replace Trunk Strut

How to Replace a Front End Cover

How to Replace a Front Pipe

How to Replace an Antenna Mast

How to Replace a Side Marker Light Assembly

How to Install a Carpet on car?

How to Replace a Spoiler

How to Replace a Mirror Glass on car?
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How to Replace a Door Lock

How to Replace a Throttle Body

How to Replace a Throttle Position Sensor

How to Replace a Grille Insert

How to Replace a Fan Shroud Assembly

How to Replace an Engine Splash Shield

How to Replace a Turn Signal Light Assembly

How to Replace a Headlight Assembly

How to Replace a Park Light Assembly

How to Replace an Expansion Tank

How to Replace an Exhaust System

How to Replace a Fender Trim

How to Replace a Headlight Door

How to Replace a Fan Shroud

How to Replace a Harmonic Balancer

How to Replace a Header Panel

How to Replace a Fuel Tank

How to Replace a Fuel Tank Cap

How to Replace a Distributor

How to Replace an EGR Valve

How to Replace an Oxygen Sensor

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How to Replace a Door Handle

How to Replace a Hood Strut

How to Replace Tail Light Assembly

How to Replace a Front Bumper

How to Replace a Fuel Pump Assembly

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How to Replace a Tailgate Handle

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