TPI - Diesel Bombers



12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

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Old 03-26-2013, 05:34 PM
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Hello all i have a quick ? im not sure i am calling it the right name the "TPI" sensor. is this a part i can buy new at a parts store or does something like that have to come from the dealer?
i am having issues with my truck shifting. thank you in advance for the input.
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Old 03-26-2013, 08:07 PM
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TPS maybe? What kind of shifting problems?
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Old 03-26-2013, 10:03 PM
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shifts up and down while going down the road at a steady speed and it is intermittent.
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Old 03-26-2013, 10:23 PM
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Yeah, sounds like it could be a TPS issue. There are a couple of options as far as purchasing the sensor. Around $150 IIRC. You could try cleaning and adjust it, instructions are here about half way down the page:

Dodge diesel maintenance tips

Or, you could get a TPS delete kit, which I did. They make kits, or you can build one yourself with a linear taper potentiometer. Here's where I got mine from:

1st/2nd Generation Dodge TPS Delete Kit *91.5-98 12v* [DNR] - $42.00 : Zen Cart!, The Art of E-commerce
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Old 03-29-2013, 08:29 AM
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so the tps delete kit you mention, is it a pain to install and has it worked out pretty well for you? and for anyone who comes across this thread what are your thoughts?
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Old 03-29-2013, 02:33 PM
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It was really easy to install. I drilled a hole in the trim around the instrument cluster, ran the wires through the firewall. The wires come with pins on the end, but not a connector, so you just insert the pins in the ecu side of the harness matching up the colors indicated in the instructions and just heat shrink it. I've been running it for about a year now and haven't had a single issue with it.
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