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99 Lincoln Town Car: fuel pressure..module..(pcm, abs, ipc, air bag.)

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99 Lincoln Town Car, cranks...
99 Lincoln Town Car, cranks and doesnt start, 40 psi fuel pressure, good spark, good power to injectors, no ground at any injector while cranking. Tried 2 different scan tools and cannot communicate with any module. (pcm, abs, ipc, air bag.) Digital Odometer shows no mileage, just lines. (-------). I have good power and ground at the dlc. All fuses are good. The theft system seems to be working properly, light comes on with key on then flashes every 2-3 seconds. Any help would be great, Thanks!
Submitted: 7 years ago.Category: Ford
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Answered in 17 minutes by:
2/9/2010
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 7 years ago
AMEDEE
AMEDEE, FORD TECHNICIAN
Category: Ford
Satisfied Customers: 26,796
Experience: ASE CERTIFIED TECHNICIAN ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector
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Hello!

 

When this problem happens (------), this usually indicates a bad instrument cluster. The theft system needs to communicate with the instrument cluster for the vehicle to start and if the instrument cluster is bad, the vehicle will not start.

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Customer reply replied 7 years ago
If the cluster is bad, should I be able to communicate with other modules? PCM, ABS module, ect.? Also when the key is turned to on, the actual mleage appears for 1 second, then goes to lines.
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 7 years ago

If the instrument cluster is shorting out, it can pull all of the other modules down with it. When this happens, you most likely will not be able to communicate with them.

You could try to disconnect the instrument cluster and see if you can communicate with the other modules.

 

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Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 7 years ago
Does that make sense?
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Customer reply replied 7 years ago
yes thanks, XXXXX XXXXX try that
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 7 years ago

You bet!

 

I hope this helps. You can always accept my answer now, and repost back again later on if you have any more questions. If you want to discuss it some more just hit "reply", it's free to do so otherwise don't forget to hit "accept" and leave positive feedback if you found my answer helpful.

 

Regards

 

AMEDEE

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Customer reply replied 7 years ago
I disconnected the cluster and still no communication with anything. Does the digital odometer run off of the bus-line?
Ford Mechanic: AMEDEE, FORD TECHNICIAN replied 7 years ago
YEs... it should communicate with everything.
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AMEDEE
AMEDEE
AMEDEE, FORD TECHNICIAN
Category: Ford
Satisfied Customers: 26,796
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Experience: ASE CERTIFIED TECHNICIAN ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector

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