20 Most Recent 2002 Ford Explorer Questions & Answers


IF YOU HAVE A TEST LIGHT, TEST center contact INSIDE THE LIGHTER OUTLET IF IT SHOWS POWER YOUR PROBLEM IS THE GROUND. And The Ground is INCORPERATED into A Bundle Located @ or around Electrical Center= Fuse / Relay BOX under hood. Sounds like a (BODY GROUND) Problem. Also Be Sure it is NOT a KEY ON Curciut. I Have a Carivan that the Cig. Lighters Work ONLY with KEY ON. Hope this is Of Help to you ! .

2002 Ford... | Answered on Nov 23, 2019


Quit guessing an take it to a qualified repair shop. Your vehicle doesn't even have a cam shaft sensor

2002 Ford... | Answered on Sep 17, 2019


No ,not tunex . Qualified repair shop . Code's stored in 4X4 control module. Need a factory or some other professional scan tool to read code's .
SECTION 308-07A: Transfer Case - General Information 2000 Explorer/Mountaineer Workshop Manual DESCRIPTION AND OPERATION Procedure revision date: 06/17/1999 Transfer Case -Automatic Four Wheel Drive (A4WD) The A4WD system is an electronic shift 4x4 system that allows the operator to choose between three different 4x4 modes. The operator can switch between A4WD and 4WD HIGH modes at any speed. To engage or disengage LOW range, the vehicle speed must be less than 5 km/h, the brake depressed, and the transmission must be in NEUTRAL.
The front/rear driveshaft speed sensors (Hall effect) are mounted to the transfer case and detect the speed of the front and rear driveshafts. This input is used by the generic electronic module (GEM) primarily to control A4WD operation.
The throttle position output signal is provided to the GEM from the powertrain control module (PCM). This signal is used by the GEM in controlling the A4WD clutch.
The shift motor sense plate, an integral part of the electric shift motor, informs the GEM to the position of the transfer case.
The digital TR sensors are located on the LH side of the transmission; these sensors inform the GEM when the transmission is in the neutral position.
The electric shift motor is mounted externally at the rear of the transfer case. It drives a rotary cam which moves the mode fork and range fork within the transfer case between the HIGH range (A4WD, 4HIGH) and LOW range positions.
The 4x4 shift motor uses a module containing two relays which, under the control of the GEM, shifts the transfer case shift motor between HIGH range (A4WD, 4HIGH), and 4LOW modes.
The solid state clutch relay is used to activate the A4WD clutch within the transfer case.
System Function
Hall effect sensor monitors input and output shaft speed.
In the A4WD (C-Trac) system, the GEM varies the torque sent to the front driveline by controlling the transfer case clutch. At rest and under cruising conditions, the GEM activates the transfer case clutch a minimum duty cycle (percentage of time the clutch is turned on), which allows for the slight difference between the front and rear driveshafts which normally occurs when negotiating a corner on dry pavement. Under any of the following conditions, the GEM will increase the duty cycle in order to prevent or control slip:
  • Slip is detected (by using the Hall Effect Sensors)
  • Heavy acceleration (throttle position).
Feature inputs:
  • Brake ON/OFF switch.
  • 4WD mode switch.
  • Digital transmission range sensor.
  • Clutch switch (manual transmission vehicles only).
  • Vehicle speed signal (transmitted from the ABS module).
  • Front/rear driveshaft speed sensors.
  • Throttle position information from the PCM.
  • Contact plate position inputs A, B, C, D.
Feature outputs:
  • Solid state clutch relay (pulse width modulated signal: grounded when relay is on, battery potential when relay is off).
  • A4WD indicator (ground when activated, open circuit when deactivated).
  • 4x4 shift motor relay outputs.
Shifts between A4WD and 4x4 HIGH can be made at any speed. Listed below are the inputs and outputs needed by the GEM to execute a change between any of these modes.
Feature inputs:
  • Front/rear driveshaft speed sensor.
  • Vehicle speed signal.
  • Throttle position information.
  • 4WD mode switch.
Feature outputs:
  • Solid state clutch relay (pulse width modulated signal; grounded when relay is on, battery potential when relay is off).
  • 4x4 HIGH cluster indicator (ground when activated, open circuit when deactivated).
When shifting into or out of LOW range, the GEM requires that the vehicle speed is less than 5 km/h (3 mph), the brake is applied, and the transmission is in NEUTRAL.
Feature inputs:
  • Throttle position information.
  • 4WD mode switch.
  • Contact plate position inputs A, B, C, D.
  • Vehicle speed signal (transmitted from ABS module).
  • Brake ON/OFF switch input (battery voltage when brake is depressed, open circuit when not activated).
  • Digital transmission range sensor (ground when transmission is in NEUTRAL, open circuit otherwise).
  • Start/clutch depressed input (manual transmission only).
Feature outputs:
  • 4x4 shift motor relay outputs.
  • 4LOW cluster indicators (ground when activated, open circuit when deactivated).
  • Solid state clutch relay (pulse width modulated signal; grounded when relay is on, battery potential when relay is off).

2002 Ford... | Answered on Aug 26, 2019


Take it to a mechanic who can adjust the clearances.

2002 Ford... | Answered on Aug 18, 2019


I had the same problem that based on interner research is common for Fords trcuks/suvs. The common problem fro rear humming "rubbing"sound might be the rear wheel bearings/seal. These will need to be replaced as it will progressivly get worse and the noise louder and eventually the bearings can sieze. I would hesitate to take to a ford dealer if I were you as it can run $500-900. Take to mechanic that knows how to replace wheel bearings and seals. My mechanic replaced them for about $150. and the bearing and seals are around $40. A good way to test this is to raise the wheel were you can freely spin by hand...if does not spin or there is a lot of friction then it might be the wheel bearings.
Good Luck

2002 Ford... | Answered on May 31, 2019


Hi there:
I would suspect it is the shifter not the cable or the transmission to rule out the trans from under the explorer on the drivers side near the pan is the shift linkage disconnect it by prying the ball and socket apart and rotate the lever through the gears to the rear is park then one forward is reverse then N,D,3,2,1 when pushing the lever into park it will feel spring loaded if the parking pawl is not perfectly lined up this will line up if it rolls a little bit DANGER DO NOT LET VEHICLE ROLL OVER YOU.

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2_27_2012_3_16_43_pm.gif

Other Concern: No Park Range Possible Component Reference/Action
256 - ELECTRICAL ROUTINE
Powertrain Control System
- No electrical concerns

356 - HYDRAULIC/MECHANICAL ROUTINE
Shift Cable/Digital TR sensor
- Cable system or digital TR sensor damaged, misaligned
- Inspect and repair as required. For shift cable information, refer to Section 307-05. For digital TR information, refer to Digital Transmission Range (TR) Sensor in this section.

Case
- Manual control lever assembly damage, manual valve inner lever pin bent, manual valve inner lever damaged, spring rod damaged
- Inspect for damage. If damaged, repair as necessary.

- Manual valve lever shaft retaining pin damaged
- Inspect for damage. If damaged, repair as necessary.

Park System
- Park gear, parking pawl, parking pawl return spring, park or guide plate, parking actuating rod, parking pawl shaft, manual lever, manual lever detent spring damaged or misassembled
- Inspect for damage. If damaged, repair as necessary.

- External linkages/brackets damaged
- Inspect for damage. If damaged, repair as necessary.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

2002 Ford... | Answered on Apr 19, 2019


Spray WD40 into all door latches, then shut and reopen doors till light and dinging stops.

2002 Ford... | Answered on Apr 02, 2019


check wire on coil pack to plugs make sure they are in the right order. easy to mess up drivers side.

2002 Ford... | Answered on Mar 03, 2019


Ignition switch maybe . Or if it's a automatic transmission it could be the park neutral safety switch. Try putting gear selector into neutral an see if it starts then . Your vehicles is pretty old , have the main battery cables ever been replaced ? Do you know how to test automotive electrical circuits using a DVOM - digital volt ohmmeter ? https://www.youtube.com/watch?v=WMXENKujYtc&t=103s
https://www.youtube.com/watch?v=XhRPLgH6uZg&t=3s

2002 Ford... | Answered on Feb 21, 2019


I take help from online websites that have this service like helping in repair some like reliable- store have instant help.. others are a bit slow which I don't prefer... rest is up to u.. U can also get free manuals

2002 Ford... | Answered on Feb 16, 2019


key has to be programmed to vehicle.
and look up your wiring diagram on internet to get your wiring fixed

2002 Ford... | Answered on Jan 20, 2019


Check transmission fluid perhaps change the fluid and filter on transmission if one is fitted

2002 Ford... | Answered on Oct 13, 2018


You just go to the link I attached I'm sure you will get the solution of your problem-

2002 Ford Explorer Workshop Repair Service Manual PDF Download

2002 Ford... | Answered on Oct 03, 2018


English is the website language.

2002 Ford... | Answered on Aug 15, 2018


No , it has nothing to do with power seats , feed's PCM power relay ,PCM module power diode , vapor management valve , heated O2 sensor . (EVR ) electric vacuum reg. valve , EVAP . canister vent valve . Your best bet , have a qualified repair shop check it out .

2002 Ford... | Answered on Aug 13, 2018


The best solution you'll get from books at www.reliable-store.com

These are books containing info on repair, service, troubleshooting , parts info, assembling dissemble, removal, error/fault codes, wiring diagrams and everything on any vehicles cars, atv, trucks. fork lifts, boats, excavators etc

2002 Ford... | Answered on Jun 27, 2018


USUALLY its a vacuum problem, look for a vac line off around the right side of thef irewall. I say USUALLY becauseI 'm not familiar enough with your model and it may have all electric motors for defrost.

2002 Ford... | Answered on Apr 08, 2018

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