Question about 2002 Lincoln LS

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Where is the OBD Connector located on a 2002 Lincoln LS

Check Engine light is on and I am trying to have it hooked up to a diagnostics computer and they can not find where to hook it up?

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It is on the drivers side, just past the bottom of the knee bolster on the right side, it is flush with the bottom, that is why it is hard to find

Posted on Jan 27, 2009

  • rojba2 Feb 21, 2011

    Yes, this was the right answer for a 2002 lincoln LS, Thank you !!!!!!


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Almost all american made vehicles the obd2 connector is located under the dash board most of them near the drivers side som in the middle of the console and some on the passanger side, however if a tech can first feed the info of the car manualy into his scanner using the VIN code the scanner will be able to tell exactly where the hoo up is located.

Posted on Nov 14, 2008

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My 04 Lincoln LS v.6 sometimes act like it's flooding out and gets to losing power,sometimess it won't idle,ive changed coals,fuel filter,and plugs and still can't find the problem

Your best bet would be to take your vehicle to a qualified repair shop ! You have no diagnostic skills shown by the list of parts replaced ! Check engine light codes ? Scan tool diagnostics , scan tool engine sensor data ! Fuel pressure an flow testing , hook up fuel pressure gauge ! Plugged exhaust , back pressure testing etc.... Videos on youtube basic engine testing an electrical systems testing , fuel system testing etc....

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If you have a check engine light lit , there is a DTC - diagnostic trouble code set in the PCM / ECM -OBD 2 engine management system computer . If you don't fix the problem the light will not go out , you need to have a scan tool hooked up to check codes an go from there !

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I have a 2002 lincoln ls with v8. it starts to sputter then power decreases then cuts off. I can wait a minute then start it right back up and go till it happens again. It only happens in the summer time...

It's possible your crank sensor is going bad. Sometimes they won't light up the engine light. You can drive the car with the diagnostic tool sill hooked up while driving the car and when it dies the computer will show the code. You have to do a drive test.Check the EGR valve also. Hope this helps.

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I have a 95 buick le saber 3.8 ltr. It back fires when running. But when check engine light is on it wont back fire. It does sound louder with check engine light on. Changed coils. I need help trying to...

You need to scan the computer for trouble codes. If the light was on, there must be codes set. On a '95 Buick, it would be OBD-1, On Board Diagnostics-first generation ('96 and later is all OBD-2).
The diagnostic connectors are different for OBD1 and OBD2, but in '94 and '95, GM was on some models using a "hybrid" diagnostic link connector. You will just have to find the right diagnostic connector to get your codes. The guys at autozone or a national parts store who do engine scans for free may help you figure it out. If it is a straight forward OBD 1 connector, a cheap code reader could scan for trouble codes. For the OBD1, you can also use a jumper wire between terminals
A & B of the diagnostic link connector. Turn key to on, and two digit codes will begin to flash on the check engine light. Code 12, for instance, would be a flash, pause, two short flashes, and longer pause before the next code appears. Code 12 by the way, just means that the computer is in diagnostic mode-after that any set codes will appear or be flashed. Code 55 may also be flashed-this code means the end of codes that are set.

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2006 lincol ls obd connector where is it

Right side under dash should be a small cover. Other wise I do know my buddies lincoln was under hood believe it or not

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1 Answer

2002 lincoln ls

You can get an ACTRON scanner from Sears. The regular or plus version ($179). Harbor Freight sells scanners too.
But, you can go to AUtozone or most other stores and get the codes read for free when the CEL is on.
Get codes, report back before buying anything.
Sometimes codes are caused by other engine problems that influence the sensors and turn the light on.

The rough idle will usually be a misfire code.

I checked for TSBs. None found for 3.9L engine

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My 2002 Lincoln LS engine light went off. So, I conducted a diagnostic check and it read a misfire of the piston...

Cahneg the plug and cable to that cylinder, if that does not help, get it in for a compression and injector test !

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2 Answers

How to change a throttle position sensor on a 94 ford f150 5.0 4x4

How to Replace a Throttle Position Sensor
(DIY & Save up to $135.75 ) - Time: 2.1 hours

1. Throttle Position Sensor - $ 55.44

1. Scan Tool
2. Screwdriver
3. Multimeter

1. Locate the OBD data link connector (DLC). Refer to your owner’s manual for the specific location.
  • Tip: The OBD-I data link connector is usually located in the engine compartment near the battery or the fuse box. The OBD-II connector (post 1995 cars) is usually located beneath the instument panel next to the steering column.
2. Turn your key to the“ON” position. Do not start the engine.

3. Plug your scan tool into the OBD data link connector. Turn on the scan tool and select the appropriate steps to read the diagnostic trouble code (DTC).


Scanner plugged into OBD-II data link connector.
  • Tip: The OBD-II diagnostic trouble code (DTC) is a 5 character alphanumeric code. The first digit is a letter that indicates the component group, the second digit is OBD mandated or manufacturer specfic, the third digit is a subgroup, and the fourth and fifth digits define the component and basic problem.
  • 4. Locate the throttle position sensor.

  • Throttle position sensor

  • 5. Disconnect the electrical connector from the throttle position sensor.

  • Electrical connector removed
6. Test the resistance of the throttle position sensor (TPS) with a digital multi-meter. If the resistance is out of specifications, the TPS must be replaced.
  • 7. Remove the throttle position sensor.

  • d3a8007.jpg

    Removing sensor mounting screws

    8. Install the new throttle position sensor. Tighten the mounting screws and attach the electrical connector.
  • 9. Erase the diagnostic trouble code (DTC) with the scan tool using the“delete” or“erase” command. Road test your vehicle to see if the check engine light returns.

    Check engine light

  • Tip: If the check engine light returns, repeat the diagnostic process for additional DTCs or take your vehicle to a certified repair shop.
Direct OE replacement

Hope helped with this. Good luck (remember rated this help).

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2002 Lincoln LS V8, gear shift shows E, check transmission light

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