Am I testting ICP the right way? - Ford Powerstroke Diesel Forum
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Old 07-20-2013, 03:34 AM Rookie

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Am I testting IRP the right way?

Dear Powerstroke forum readers,
I recently took the the IRP valve out of my 6.0L to test it. I tried testing it in the truck but Only clicked twice for me and then stopped clicking when I would put power to it. I did ground the yellow wire to the battery and supplied power from the positive side of the battery to the red wire. Is this right? So the I took it out and removed the screen to see if I could see the plunger move inside the valve. It never moved, wires connected the same way to actuate the valve. I also pushed on the plunger with a robinson screw driver and it only move about a quarter of an inch. If anyone can tell me I'm doing the test right or wrong it would be much appreaciated.

Last edited by Joshua D; 07-20-2013 at 02:22 PM. Reason: Specified wrong sensor
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Old 07-22-2013, 07:16 PM
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Old 07-22-2013, 07:39 PM
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Clicking may not happen, but the solenoid will move. The biggest thing to remember is, it is blocking pressure when voltage is applied. If it is near the closed position it will not appear to click. It is usually easier to test in the vehicle unless you have a test set-up. If you watched the video, you hear a lot of air in his video, more than you would normally depending on the problem. The first noise after the air is applied usually is the air in making its way to the oil pan area after about 10 seconds. You then apply power to close the IPR and the air would stop in a good system. If the STC or connection was bad (like in the video) you would hear the noise from under the HPOP cover. If it was gurgling in the oil filter it would be the HPOP. Seal issues would show up in the valve cover areas.
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Old 07-23-2013, 06:45 AM Rookie

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Thanks for the info. I did test it in the truck. It clicked twice and didn't click anymore after that. I did have the proper fitting for the ICP sensor so I couldnt tell if there was a different sound in the air. But I thought I would be able to see the valve open and close when I removed it from the engine. Thanks for replying.
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