What is it?? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 4 (permalink) Old 08-18-2007, 08:41 PM Thread Starter
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What is it??

Right above HPOP behind reservoir is a 3/4" x 3/4" black box with clear lid that has a circuit board in it. It plugs into wires coming from the main wire harness. Just curious as I am trouble shooting engine misfire. Number on part is 1821712Cl. What is it??????????
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post #2 of 4 (permalink) Old 08-19-2007, 12:37 AM
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I believe that is the water in fuel sensor. I could be wrong - someone will correct me if I am...


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post #3 of 4 (permalink) Old 08-20-2007, 03:11 PM Thread Starter
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I guess the number on it is an International number. Thanks for the help.
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post #4 of 4 (permalink) Old 08-20-2007, 10:29 PM
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Fuel Filter Water in Fuel Control Switch, not the part in the bowl
(Ford) F4TZ-9J294-A (94-97)
(International) 1821712C1 (In harness behind HPOP reservoir pass. side)

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