Question about 1999 Lincoln Navigator

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Navigator shuts off while driving

Hi, I have a 1999 Lincoln Navigator V8that randomly shuts off while I am driving. It shuts off and the steering wheel locks, After about 10 minutes, I can restart the truck with no problem. I have taken it to 3 mechanics who can't find anything wrong with the vehicle to cause this problem. The check engine light is on and it is coming up with PO174-mass airflow sensor. So I just had that replaced and the light is still coming on, and the truck is still shutting off while driving. I had also taken it to the dealership, but they wanted to fix EVERYTHING under the hood...things that were not even in need of repair...which was also stated by these 3 separate mechanics. I need some advice please!

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  • Jeff Hammack
    Jeff Hammack May 11, 2010

    The newer model trucks and cars reguardless of manufacturer, have electronic ignition, these systems are usually controlled by an ignition module, when the engine runs it presents no problem and often when it fails it sets no code, but from the first generations of these modules in Ford, the engine will dies and start right back up. there are two coil pack modules on your truck, they are not real cheap, used ones from a salvage yard will work. I would try this to see if that is what is causing the problem. Clear the code P0174 after replacing these modules and see if it comes back, it may be setting as a result of the engine dying. Then we can talk about all the things under the hood that need repair. Let me know whats up.

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emissionwiz
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SOURCE: Mass Airflow Sensor 2005 Chevy Malibu. 2.2 ltr.4 cyl.

The MAF is in the flex hose that delivers air to the engine, it has a 5 or 6 wire connector going to it.

Posted on Nov 19, 2008

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SOURCE: 2000 Lincoln LS

replace the air filter and then hit your status button when it gets to ac filter press and hold reset until you see life go to 100 percent as far as the overheating YOU MUST BLEED THE COOLANT SYSTEM i had this same problem and it took me like six months to figure it out so i know your frustration you can find full instructions on how to do this at lincolnvscaddilac.com aswell as many other tips and people who know what they are doing with these cars who can help

Posted on Jan 04, 2009

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SOURCE: misfiring

if it were the cranksensor it would not start at all.you would have no fire.

Posted on Jan 14, 2009

heavymetal77
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SOURCE: 1999 Lincoln Navigator ABS warning light turns on?

One of the ABS sensor's is bad or a hub bearing is bad.Could be front or rear.

Posted on Jun 23, 2009

emissionwiz
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SOURCE: The charging system light randomly comes on then

this is caused by either an alternator rectifier issue or a wiring harness at the alternator having a connection issue like burned contacts.

Posted on Aug 07, 2009

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