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-   1999 to 2003 7.3L Power Stroke Diesel (http://forum.gopowerhungry.com/forumdisplay.php?f=25)
-   -   weired idle (http://forum.gopowerhungry.com/showthread.php?t=5651)

907DAVE Wed, January 26th, 2011 12:59 PM

Book time for cover gaskets R&R is 2.1 hr.

If you are good at it, you can do it in well under an hour.

cleatus12r Wed, January 26th, 2011 03:01 PM

Quote:

Originally Posted by rammertide07 (Post 43528)
epowers777, if you think its the tunes...why dont you revert back to stock and see if there any changes???

He's got stage 2's. Hard to pinpoint an idle issue running on stock programming that way.

He's already replaced sensors. We may be fighting IPR duty cycle problems at this point....not uncommon, but usually close enough for the thousands of trucks that are tuned daily.

rammertide07 Wed, January 26th, 2011 03:15 PM

Quote:

Originally Posted by cleatus12r (Post 43535)
He's got stage 2's. Hard to pinpoint an idle issue running on stock programming that way.

He's already replaced sensors. We may be fighting IPR duty cycle problems at this point....not uncommon, but usually close enough for the thousands of trucks that are tuned daily.

Yea, guess that would pose a problem. So throw a new IPR at it? I'm comfortable at throwing SOME parts at it. At least I know I'll be good in that area for another 200k (knock on wood).

On edit: found this thread... http://powerstrokenation.com/forums/...ght=ipr+socket

epowers777 Wed, January 26th, 2011 11:33 PM

Wow lots going on! Cleatus I am trying hard to get a scanner. Ford wants a 150 :censored1: Hate dealers. Im thinking of getting a Auto Enginuity off of ebay for my truck. Are those good?

rammertide07 Check this link out

Also this link

Ipr Rebuild

I got all my parts of off of ebay there the cheapest place i have found.

epowers777 Wed, January 26th, 2011 11:35 PM

rammertide07 is yours a dually post a pic.

rammertide07 Thu, January 27th, 2011 11:35 AM

Quote:

Originally Posted by epowers777 (Post 43574)
rammertide07 is yours a dually post a pic.

negative ghost rider...

F350 Powerstroke pictures by rammertide07 - Photobucket

epowers777 Sat, January 29th, 2011 08:23 PM

Ok here's my update. We did every test in the book. My POP test passed flying colors. The injector test were it cuts them off at idle failed miserably. He states the first 4 cylinders in the firing order failed the test. I think 1-6 8-5 failed. So he thinks my computer that runs the injectors are bad. So he gave me one and I tested it. It ran great idled great even pulled the chip and idled smoothed. Drove about 18 miles and it started again but not that bad. So he want me to drive it for a couple of days and we will test it again.

Cody here's the numbers icp v .80 - .88 at 480 pressure at 12% we didn't get the idle sorry.

Let me know what you think. And he thinks it has the wrong computer in it. He thinks its a early 99 computer with a late 99.5 engine. We will swap computers later.

epowers777 Sun, January 30th, 2011 06:37 PM

I was wondering if someone could give me the schematic so I can test the wires from the idm to the actual injector harness. I think I may have a brake in the wires. And is there a way to test the idm?

907DAVE Sun, January 30th, 2011 08:24 PM

To check the injector circuits on the left side of the engine, put one lead of an ohmmeter to IDM pin 23 (Pink/Yellow). Then take the other lead and go to pin 22 (White), pin 7 (Brown/Light Blue), pin 19 (Light Green/Orange) and pin 9 (Light Blue). Each reading should be between 2 ohms and 5 ohms.

To check the injector circuits on the right side of the engine, put one lead of an ohmmeter to pin 24 (Orange), then place the other lead on pin 6 (Tan), pin 21 (Brown/Yellow), pin 8 (Tan/Black) and pin 20 (Tan/Red). Again, each circuit should read 2-5 ohms.

epowers777 Sun, January 30th, 2011 09:31 PM

Dave is this the actual idm plug or the engine harness plug for pin 23 and 24 correct?
And the other pins you unplug the under valve cover harness?

Thanks Dave. What do you think about my findings with the scanner?


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