icp sensor problem ? please help - Ford Powerstroke Diesel Forum

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post #1 of 17 Old 10-14-2012, 01:27 PM Thread Starter
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icp sensor problem ? please help

hi i have a 2002 f-250 with the 7.3 in it 184,000 miles new oil and filter and fuel filter .. mbrp 4" turbo back,afe intake,ts 6 position chip.. the problem i have been having is i have noticed that when i first put the chip in about 2 months ago in the higher settings like the 100 hp and the 140 hp it would blow alot of black smoke and pull really hard all the way till i shifted .. now im not a big fan of the black smoke and i dont try to make it smoke.. but latley i have noticed that even in the 140hp setting there is allmost no smoke that comes out and the truck just dosnt seem too pull as hard as it used too .. thats the only reason i mentioned the smoke because u can tell its not getting the same amount of fuel or something as it used to be ... truck idles good and dosent miss or anything just seems low on power latley .. the under valve cover harnesses look great and the truck fires right up in the morning maybee cranks for 2 seconds at the most .. i have noticed that there was a little oil inside the icp sensor when i looked theone time but i dont have the money too just throw a part at it like that cuz its expensive lol ... any help is greatly appreciated ... thanks guys and girls
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post #2 of 17 Old 10-14-2012, 01:41 PM
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You would have to monitor live data to be for sure what has gone bad, if anything.



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post #3 of 17 Old 10-14-2012, 02:28 PM
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if there is oil coming through then it is time for a new sensor.
check your fuel pressure well.

99.5 f250 7.3 4x4 258k
PHP Phoenix, S&B CAI, 4" TBE, Hpx, Stancor, RR Billet Wheel, AIH Delete, Autometer Gauges, Leveling kit, Transgo kit, Warn Hubs, Int'l Up-Pipes, RR IC Boots, Non-Ebpv Pedestal, High Flow Outlet, RR OCR, 08 Tow Mirrors.

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post #4 of 17 Old 10-14-2012, 03:17 PM Thread Starter
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my buddy has a snapon scanner and we tryed too watch it live driving down the road but neather of us knew what we were looking for .. i wish there was someone in the erie area that could do this kind of stuff and help a fellow powerstroke guy get his truck running good... i could pay him in beer!!!!
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post #5 of 17 Old 10-14-2012, 03:18 PM Thread Starter
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and i have been planning on getting a fuel pressure gauge soon .. just money has been tight so its on the back burner for a little bit
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post #6 of 17 Old 10-14-2012, 05:14 PM
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need an ICP sensor bud. you can drop the tank and take a gander atthe filter screen. If clogged up, theres whats called the HUTCH mod. Along with run'n new fuel line from tank to pump, it eliminates all air introduced into the fuel system. Its a cheap fix/mod too. I just scored on an icp off ebay(oem) for 85 buks. Also, with it idling, remove the oil fill cap, see iftheres any pressure coming out. Smokes ok, but pressures no good.

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post #7 of 17 Old 10-14-2012, 05:19 PM
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There's no need for new fuel lines all the way.



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post #8 of 17 Old 10-14-2012, 05:30 PM
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ya, i mentioned from tank to pump..(fuel pump). 3/8in fuel line, no need for high pressure, since its on suction side.

99.5 x-cab 7.3l, 6spd, 161k miles.....
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post #9 of 17 Old 10-14-2012, 06:30 PM
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I know. Not really a need there.



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post #10 of 17 Old 10-14-2012, 07:13 PM
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Quote:
Originally Posted by jesilvas View Post
I know. Not really a need there.
thats where the airs being introduced. Its a "slip-style clamp, holding the line to the fitting. Besides run'n 1/4 tank or lower, only other way airs get'n in there. Besides install'n an external filter b4 the pump, thats a reason for doing the mod.

99.5 x-cab 7.3l, 6spd, 161k miles.....
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