Question about 2003 Lincoln Navigator

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My engine light is on.

What causes the engine light to come on? I have a 2003 lincoln Navigator

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Hi,


The check engine light comes on mostly when you have bad gas tank cup,or you don't tight enough the gasoline.Go to any auto-zone and request the obd scanner,at no charge just leave your driver license or credit card,connect the scanner follow the instructions.They will check up and the check engine light will come off in the next 3 to 5 days.


Thank you !!

Posted on Jul 22, 2010

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emissionwiz
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SOURCE: 2003 Lincoln Navigator door sensor problems

One of your courtesy light switch's is defective, it can be in any of the five doors (rear hatch has 2), Ford can determine which one (courtesy light switch) is at fault by using a NGS (New Gen Star Tester) to monitor the switches through the Generic Electronic Module of your truck, these switches are attached to the door latch assembly and are time consuming to replace, so the Ford tester is the cheapest option.

Posted on Nov 13, 2008

chrischronic
  • 235 Answers

SOURCE: Air suspension pump on 2003 lincoln navigator

the little orange or red ring around the air hose whare it goes in compressor, must be pushed in while pulling out on air line. a small flathead screwdriver works fine

Posted on Apr 24, 2009

SOURCE: my 2003 lincoln navigator check

You need to get the computer scanned and the codes read. You could go to autozone to have the codes read. By your description I'd be willing to bet it has at least a p0300 code which is a random missfire. While it could be many things causing the missfire/sputtering the most likely culprit is spark plugs or the ignition coil as they are known to go bad commonly on those motors.

Unfortunately they aren't exactly a walk in the park to do. Navigators are one of the more difficult vehicles to replace spark plugs on as the cowl overhangs the motor quite a bit.

Posted on May 10, 2009

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SOURCE: my door ajar light goes on and off,what causes

The door on the door jam has a switch that needs to be adjusted.

Posted on Oct 16, 2009

  • 1 Answer

SOURCE: 2003 Lincoln Navigator stumbles/bucking under mild acceleration

I have a 2003 Nav with the exact same problem. I've found it diminishes when taken out of overdrive. Also it's intermittent but more towards bucking. Sorry to post this under solutions.

Posted on Nov 06, 2009

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Unfortunately they aren't exactly a walk in the park to do. Navigators are one of the more difficult vehicles to replace spark plugs on as the cowl overhangs the motor quite a bit.

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