94.5' icp sensor install - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 08-21-2010, 01:22 PM Thread Starter
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94.5' icp sensor install

something you may consider here before you get to happy ordering parts. If you think your icp is bad or are getting codes that would point in that direction...please read all this post carefully.

1. You may not need an icp...many of these trucks will have a bad connector instead. After many miles and alot of heat, the connector and wires can break down. A new connector repair kit can be had for around $50 or less. I suggest starting with this first if you even slightly expect an issue.
2. A lot of fella's do the 10k mod (not that it is a bad thing) however, if you install the resistor between the connector and the sensor it will spread the terminals and cause a bad connection.
3. All icp's (7.3) are not created equal...94.5' through at least 95.5' (possibly 98.5) use a different thread than the newer units. After spending $140 and three hours of trying to make it work (including ruining the threads on a new icp) i found that you can not use the newer unit in an older psd. Make sure which icp you need before ordering...they look exactly the same in the pictures on ebay. Take it out and go to your ford dealer...thats the best way to be sure your getting the right one. There are two part numbers...F4TZ-9F838-A and F6TZ-9F838-A...the first is the older style.
4. if there is oil coming out of the connector port on the icp...your icp needs replacing. Even if you have no codes or issues, you need to replace the unit...the oil will soak into the plug and destroy it and the wires.
5. now...not to add more confusion but the old factory style icp will look different than the new replacement...even if it is the correct sensor. The main things to compare are the threads (they must be exactly the same) and the connector port.

THANKS and good luck with this.

Baptist preacher man'94 f-250, fpr shimmed, diy intake, gutted exhaust, 3" down pipe,
96' ecm upgrade
future mods...
homemade supension lift
paint job

how could any self-respecting person drive anything other than a Ford,preferably a diesel. Trying to get my wife to sell the Durango, hopefully an Excursion in my future.
jeremy hull is offline  
post #2 of 2 Old 08-21-2010, 01:38 PM
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I hate ICP sensors, ordered one off ebay. For My brothers 99.5 PSD because his truck needed a new one, so i take the old one out, screw the new one in by hand just a little bit, then tried to tighten it down, would not tighten at all, pull it out, then the threads were all ****ed up. What a joke, tried saving money by buying one on ebay and it is going to end up costing us more money in the end.
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