Ford Expedition - Recent Questions, Troubleshooting & Support
P0345 and p0349
Since you didn't post the engine size, or the year, I am taking a stab at your year, which the codes cover several:
P0345-Camshaft position sensor A circuit
P0349-Camshaft position sensor A circuit intermittent
Check the harness to the sensor for any damage, scrapes, dents...something in your harness may be causing the intermittent fault to log in.
Interior light and diagnostic plug doesn't work
The data link gets it's power from fuse no. 3(20 amp) in the interior fuse panel,which also is the power for cig. lighter. This fuse gets it's power from fuse no. 103 in the battery junction box (50 amp).
For the interior lights the door adjar switches in the door send a signal to the GEM module.It then grounds the coil side of the interior lamp relay. The switch on the dash that you turn on manually also grounds the coil side of the interior lamp relay so that would mean that everyrhing after the GEM is ok.Are the lights not turning on from any door including the deck lid? If not then problem would have to be in the GEM module.
11/30/2023 3:57:44 PM •
2000 Ford...
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Answered
on Nov 30, 2023
2007 FORD EXPeDITION RADIO WIRING COLORS
Question edited for clarity and bad spelling of 'Expedition'.
Question moved to model category.
Quit typing in all CAPS, it is considered SHOUTING and RUDE. It is also harder to read!
This seldom works, and the reason is because the radio system and steering wheel controls are monitored and operated by the Body Control Module on the 5 volt Can Bus System. When you connect your new Android box, the computer won't have a clue what is going on! Be prepared for a whole heap of trouble.
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https://www.scosche.com > media > guides
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11/11/2023 3:07:22 AM •
2007 Ford...
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Answered
on Nov 11, 2023
2002 ford expedition interior lights are not on what fuse is it?
Courtesy Lamps - central junction box. fuse # F1.21 that goes to interior lamp relay in the instrument cluster and F.24 this fuse powers battery saver relay .
Interior Lighting
The interior light system consists of the following:
- front map lamp assembly
- front door courtesy lamp
- generic electronic module (GEM)
- glove box lamp assembly
- central security module
- interior lamp switch
- interior lamp relay
- illuminated vanity mirrors (Navigator only)
- reading lamp assembly
- rear courtesy lamp
- running board lamp
- underhood lamp assembly
The generic electronic module (GEM) illuminates the interior lamps when an unlock signal is received from the remote anti-theft personality central security module. The illuminated entry feature will be canceled when any of the following conditions are met:
- 25 seconds have elapsed since the illuminated entry feature was activated and the interior lamp control is not activated (door ajar or courtesy lamp switch on).
- The GEM receives a request from the central security module (remote transmitter lock button pressed) and the interior lamp control is not activated.
- The ignition is in the RUN or START position and the interior lamp control is not activated.
The GEM will illuminate the interior lamps when any door is open or ajar. The interior lamps are; the dome lamp, the rear cargo lamp, the door courtesy lamp and the side rail lamps. The courtesy lamps will shut off when the doors are closed and the illuminated entry feature is not active or when the vehicle speed is greater than 5 mph (8 km/h). The interior lamps will not be reactivated until the vehicle speed is less than 3 mph (5 km/h) and a new door open warning lamp switch is received.
The GEM controls the interior lamps illuminated entry function by activating the interior lamp relay.
You have an electronic control module and relays involved in the operation of these lights also !
What
10/29/2023 1:00:32 PM •
2002 Ford...
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Answered
on Oct 29, 2023
Where is the gem module on a 1999 ford expedition
The GEM is located under the dash, on driver's side, on the back side of the fuse panel. If under the dash, upside down (or not), the GEM is located on the door kick panel side of the brake pedal, against the back side of the fuse panel, behind the under-dash fuse panel. The pin-out of the GEM is available in the Ford Factory wiring diagram manual which you find available for purchase on Ebay, or which you can find electronic versions available for purchase on eBay as well. (There is no free .PDF that I have ever seen.) All that is available is the pinout. The internals of the GEM module are not disclosed by Ford, and no technicians or dealers have the information (only Ford Engineering knows the internals, the unit is treated as a black box and cannot be service because of the lack of internals information.) The GEM malfunctioning (old) can be responsible for Window operation problems (as can many other things), windshield wiper operation problems (but also usually you steering column stem, or the two plastic connectors in the steering column that connect to the stem base), or the 4x4 operation (as the GEM runs the step motor and looks at the 4x4 switch input). Also, on '99 & 2000/1/2 Expy's, the GEM also takes the ABS wheel outputs, and refactors a "VSS" input the speedometer.
10/25/2023 6:02:23 PM •
1999 Ford...
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Answered
on Oct 25, 2023
2000 Ford Expedition stalls.
Question edited for clarity and typos.
Question moved to model category.
You need the vehicle diagnosed by an auto electrician with a professional scan tool computer. It will monitor all the sensors and especially the MAF and Short Term fuel Trim. It is far more cost effective to pay him for an hour that guessing on parts to replace like the fuel pump and filter.
https://www.google.com/search?q=auto+electrician+near+me
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8/4/2023 8:37:08 PM •
2000 Ford...
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Answered
on Aug 04, 2023
Check charging system and won't start
Your alternator is probably going bad. Without enough power coming from it, it drained your battery, which is why it wont start. You can test this yourself with a multimeter, but if you dont know hiw, just remove the alternator and have it tested at autozone. Replace the alternator, charge battery and you are good to go. If the alternator tests good, check the wiring around it. Could be a bad wire,
4/3/2023 5:55:15 PM •
2004 Ford...
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Answered
on Apr 03, 2023
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