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Mark Kovalsky Mark Kovalsky is offline

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  1. corteroy
    02-07-2016 06:06 PM - permalink
    Thanks again
  2. corteroy
    02-07-2016 02:14 PM - permalink
    1. I would like to know if there is a thread or MOD on the forums that your aware of to install an external filter for my 4R100, based on a thread from you I found saying this.

    "The 4R100 is a different animal. There is no good internal filter available for the 4R100. An external filter is a good addition for this transmission."

    2.I have a spare 4R100 deep trans pan. I like that it has a drain plug, my shallow pan does not. Is there a benefit to the trans and filter running the deeper set up.

    If you could point me in the right direction, I thank You in advance.
  3. corteroy
    02-07-2016 02:09 PM - permalink
    Mark disregard my previous questions. I feel like a total Bag. I couldn't lose any more time having my truck in the shop not getting repaired. I took it home and told the mechanic I would bring it back that I had to unload tools from it. To make a long story bearable, The truck went in the shop 110 days ago for a shift solenoid circuit A code. After buying 2 PCMs and rebuilding the trans, and new convertor. I dropped the pan and found a 1994 to 1998 Non PWM solenoid installed on my original PWM solenoid base. I put the correct part in and all is fine. Thank you for the time you did give me, and sorry again.
  4. Mark Kovalsky
    02-06-2016 08:55 PM - permalink
    Mark Kovalsky
    Trans fluid in the connector isn't good. You also need to unplug the harness at both ends and check for continuity, short to ground, and short to power. If it isn't doing it all the time it could be an intermittent short or open.
  5. eastmade75
    02-06-2016 06:59 PM - permalink
    Hi Mark. I have a 1998 f150 4.6 with p1747, harness has no melting and i have 5.1 resistance between pin 81 and 71 at pcm. stumble is intermittent and the plug at transmission has tranny fluid on it when you unplug it. is this of any consequence? any procedural help will be appreciated. thanks!
  6. corteroy
    02-03-2016 04:18 PM - permalink
    Thank you for that confirmation, it helps but it also hurts. Yesterday A friend luckily that owns the exact year make and model with the same exact PCM from the factory, loaned me the PCM. We ran my truck with it. It ran the truck perfectly and did not set any codes at idle or on drive test. That PCM like all similar aftermarket PCMs, we have tried does not read TSS. You can unplug the sensor and drive the truck all day without a code, as to confirm what the ford software is already telling us. We are stumped. We have installed a 2000 F 250 PCM that does read the TSS, but will not read the OSS for obvious reasons. And I don't know what question to ask.
  7. corteroy
    02-01-2016 04:15 PM - permalink
    Thx for reply to my previous question. Do you have any knowledge of whether the PCMs for the E series 7.3, 4 R100 trans, in 2000, were designed to run without reading the turbine shaft sensor.
  8. corteroy
    01-30-2016 12:02 PM - permalink
    Do you know what PCM today that I need to run that truck.
  9. corteroy
    01-29-2016 08:22 PM - permalink
    Where were at now is he says we have to find an original used PCM for my application, and he keeps stressing by application, and not by VIN#. He said he has confirmed everything to be working correctly from the trans up to the PCM via a break out into his computer.
  10. corteroy
    01-29-2016 08:22 PM - permalink
    Hey Mark im in a pickle. I have a 2000 E-350 7.3, with a 4R100 AOD, 2 wheel drive.
    VIN#1FDWE35F6YHA64448. PCM tear tag SZT4, PCM part # XC2Z 12650 APE. OD flashing light, which came up as a shift solenoid circuit 1 code.The shift solenoid has been replaced, the trans has been rebuilt,I have bought and he installed a refurb DPC-425 with the same part# flash and it didn't run the truck. "Dave"my mechanic says that PCM will not process the turbine shaft sensor. He is convinced after talking to his FORD people that the PCM is for a E40 OD, and that we need a BAB PCM. but he says the Ford part numbers were wrong on some years and models and that the aftermarket stuff mirrors there old system. my PCM is obsolete through ford and I cant seem to find an after market to rum my truck. He tried 1 from NAPA himself, with no luck.

About Me

  • About Mark Kovalsky
    Former Ford automatic transmission engineer.
    SE Florida
    Flying, Antique cars and fire trucks.
    2 Letter State/Province (use "--" for outside USA/
    Econline or E-Series
    Current Mileage
    125,000 - 149,999
    Miles per year
    0 - 999
    2002 E350
    Engine type and displacement
    60 foot time
    1/8 Mile ET
    1/8 Mile MPH
    1/4 Mile ET
    1/4 Mile MPH
  • Signature
    Former Ford Automatic Transmission Engineer 1988 - 2007

    “The good thing about science is that it's true whether or not you believe in it.” ― Neil deGrasse Tyson


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  • Last Activity: Yesterday 10:15 PM
  • Join Date: 08-13-1999
  • Referrals: 1


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