Question about 2004 Lincoln LS

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P0122 P0223 and P0354 codes - 2004 Lincoln LS

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PO122--ETC Throttle Position (TP1) sensor Low Input

PO223--Throttle Position (TP2) High Input

PO354---Ignition Coil D --On an LS, that is not
a used code,another engine it would be cylinder #4

What I believe you have,having diagnostic experience
and also owning a 2004 LS,is a Bad COP Ignition Coil
on cylinder #4 that is bad enough to spike the PCM
& come back on the TPS Sensor

You ignore the codes and buy 1 new coil for $59.00
and put it in #4

If that doesn't help,remove the new coil and walk it to
another cylinder and drive a couple days,continuing
to move the new coil.

If you had some very expensive diagnostic equip
you could go with a different approach

The last thing you EVER want to do, is go to
a dealer,you may leave there the same as you were,
and a bill for a grand per visit.

IF you have a V6 and I hope you do not,
then if you get involved with cyl #1 thru 3 where
you have to remove the upper intake,do the spark
plugs on that side and all new coils while in there.
Save those coils for your future diagnostics

These coils fail at a rate of 1 or 2 a year on all fords

Posted on Mar 26, 2011

  • 4 more comments 
  • Malikei Jul 17, 2011

    Is there an after market coil that can be used?

  • Anonymous Jul 18, 2011

    On a 3.9 V8 the coil is Wells (brand) 5C1179 $87.54/$48.64
    at the auto parts store

    I called Wells last week & the C1234 is the same coil, but for
    Auto Zone ( Around $46.00)

    If you have a V6 you will have to look them up on the Wells site
    or other brands.

  • Malikei Jul 18, 2011

    I have the 3.9, thank you for responding. On my way to the mechanic now.

  • Malikei Jul 21, 2011

    My personal mechanic advised I goto the dealer and yes it seems as if they are doing exactly what you said. $500 for 6 broken coil connectors. That was this morning. Right back to dealer now with check engine light on again. I originally took the car to Autozone and their read was a modulator. Any advice from here?

  • Anonymous Jul 21, 2011

    Stay away from the dealer. Why would you have anything broken?
    Someone over the years did the damage to your car. Try another repair
    shop. Why can't they figure out anything on your car & resolve.
    They can find the bad coil in Generic Mode $06 & have to use an oscilloscope
    & take it with them on a road test. You can't find a bad coil at the shop.
    The fuel tank has to be over 15% or the misfire monitor won't run
    All this info is on the motorcraft web site,tell the shop that

  • Malikei Aug 01, 2011

    Hello. I have codes p2110 and p2107. Any thoughts? I have a 04 lse 3.9



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I went to a ranch and there were large puddles of water that I went thru. Now my truck has different codes ex.p p0122,p0223,p2101,p2110. What could it be?

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