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2000 lincoln navigator: t/s trailer problems..Nav..Jumped..terminals…

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2000 lincoln navigator 5.4L 2x4 i...
2000 lincoln navigator 5.4L 2x4
i was t/s trailer problems and ran my Nav's battery low. Jumped battery and cleaned terminals with baking soda and water. After washing off baking soda, truck started to get a very rough idle and very rough running. It feels as though a couple of cylinders aren't firing. It's been a week now and still hasn't changed. Is this ignition misfiring?
Submitted: 8 years ago.Category: Lincoln
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Answered in 8 minutes by:
6/9/2010
Lincoln Mechanic: Chris (aka- Moose), Technician replied 8 years ago
Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Lincoln
Satisfied Customers: 53,276
Experience: 16 years experience with Lincoln
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Chris (aka- Moose) :

I suggest you remove the battery cable for 15 minutes then retry the vehicle, this will reset the PCM. If this fails to help and you still notice a jerking or vibration type symptom while driving under load then it is likely to be a ignition misfire caused by failing spark plugs or one or more of the coils being weak and not providing optimum spark at all times. You can check to see which cylinder is doing this with a scan tool which can do a power balance test.

Customer:

Chris, I will pull off the battery cables and see if this helps, thank you. I'll be back. Sam

Chris (aka- Moose) :

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Lincoln Mechanic: Chris (aka- Moose), Technician replied 8 years ago
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Lincoln Mechanic: Chris (aka- Moose), Technician replied 8 years ago

I suggest you remove the battery cable for 15 minutes then retry the vehicle, this will reset the PCM. If this fails to help and you still notice a jerking or vibration type symptom while driving under load then it is likely to be a ignition misfire caused by failing spark plugs or one or more of the coils being weak and not providing optimum spark at all times. You can check to see which cylinder is doing this with a scan tool which can do a power balance test.

 

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