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Old 07-30-2012, 02:04 PM
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truck shuts off/hesitation

Little bit about truck 2000 f 250 @310,000 miles. Six speed trans.

I can give more info if needed, but get to the point. the truck Will cut off sometimes when driving or have a hesitation. ( as if you let off the gas and back on. I have battled with this for about 6 years on and off. within the last couple months it is horrible. I can't drive anywhere without a problem. When the truck cuts off sometimes you let off the gas then back on and it would continue running again, but in the last few weeks I Will haveto turn theswitchoffthen back on to get it to continue running.

I have AE scan tool but not 100% sure what to check for as far as. what sensor. specsare

so from reading other posts. ICP Voltage .24 KOEO .83 Cranking @480 psi when idling

I have been getting the code for the CPS when it shuts off. but now my codes are 1670Electronic feedback signal not detected (This has just come up with in the last week) 0381Glow plug heater indicator (This has just come up with in the last week) 0232Fuel pump secondary circuit hi

cct test #3 and 8 fail (this has just come up in the last couple weeks).

buzz test is good, gp test is good

hpop, ICP, IPR, GP Relay has never been changed

Around 2 years ago all o-rings that are fuel/oil related werereplacedinjectorcups, water pump all coolant and hoses were replaced with new ones. bp sensor and tube, IPR rebuilt

New uppipes , FRX (middle spring used), HPX and 6637 DIY filter installed about 6 months ago. Any ideas where to start looking/diagnose?
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Old 07-30-2012, 02:35 PM
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It is throwing the cps code??
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Old 07-30-2012, 05:25 PM
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Right now the 3 codes I have are
1670
0381
0232

In the past yes it was throwing a CPS code..

When I run the balance test
0269 #3 Cylinder
0284 #8 Cylinder
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Old 08-03-2012, 03:39 PM
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Anybody have any input?
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Old 08-03-2012, 03:56 PM
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My thoughts are, that 1670 would concern me, I'd do a Buzz Test and see if you had other IDM codes. The 0232? I donno, haven't come across that one yet but,, if it's fuel pump related it could do what you describe maybe.

Next, what about the TPS being bad? It might do that too...

What I would do, depending on how repeatable the problem is and how often it happens, would be to try and get it to do it while the AE is connected and recording so you can review what when wrong when it does it to you.

WATCH what the TPS says, the fuel pressure, stuff like that
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Old 08-03-2012, 04:00 PM
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What is the fuel pump secondary. (0232)


I have thought about the TPS but that wouldn't make the truck shut off/stall would it?
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Old 08-03-2012, 04:12 PM
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Can AE read fuel pressure? If so how do you go about getting to it.

there is a check box that says "fuel pressure (if equipped )" I have checked that box and it brings the tab up but I always get a 0 reading.
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Old 08-08-2012, 03:52 AM
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Ford had a recall around 2008 on a cam position sensor. If defective, you truck would hesitate, run rough or not run at all. I had a bad sensor on my 2001 Superduty, six speed.
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Old 08-08-2012, 04:58 PM
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I have changed cam sensor multiple times. To be honest with you it ran best with the original. sensor. I tried the original. international and it only lasted about 5-6 months


Are the any sites people have used to better figure out to use AE well?
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Old 08-09-2012, 08:17 AM
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Quote:
Originally Posted by BRAD6160 View Post
Can AE read fuel pressure? If so how do you go about getting to it.

there is a check box that says "fuel pressure (if equipped )" I have checked that box and it brings the tab up but I always get a 0 reading.
I'm sorry I missed this,,, you're right, there is no sensor that the PCM gets fuel pressure from so, it's not on the AE display

As for the AE and how to use it. There is actually a good compilation right here in this forum -> Diesel Diagnostics - Ford Powerstroke Diesel Forum

Good videos here;

AutoEnginuity 7.3 - YouTube

Some more good info available here;

https://sites.google.com/site/woodnt.../autoenginuity

You'll be an expert in no time
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