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Old 06-11-2018, 07:47 AM
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6speedsd 6speedsd is offline
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Join Date: Jun 2011
Location: Olive Branch, MS
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Default Cam sensor cause IPR to not close?

Been out of town for a week and came home to the 03 6.0 being dead. Said it was running fine and just shut off like you turned the key. Hasn't hit a lick since. Put AE on it this morning. Getting no RPM signal which tells me the cam sensor is bad. ICPv is good, pressure will go as high as 600 when cranking, but is up and down anywhere from 600 to 200. IPR stays at 14.5% but very briefly will jump to 84, but immediately back to 14.5. I can manually command the IPR to 80% and ICP jumps to 3000.

Will a bad cam sensor cause the IPR to not function? The ICP and IPR were both replaced earlier this year, but the truck is still on the original HPOP at almost 300k miles. ICP was leaking oil bad, IPR had quit working. My original guess was the pump finally chit the bed, but thinking now I might get lucky and only have to replace a cam sensor.

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2005 F350 2wd CC DRW Lariat

Diamond Eye 5" straight piped
KC Stage 1.5
WPE RR and Uppipes

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