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Feb 7, 2013 | 02:03 AM

SFKelley

Thread Starter

New User

Joined: Feb 2013

Posts: 1

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Got some issues

Here's my problem. I have a 1992 F250 with 5.8 liter running like crap. Found some vacuum line flopping around not sure were they go. Ran by local dealer ended up with 8 pages of diagrams that don't look anything like my engine. Don't know if these guys don't know what they're doing or maybe the engine doesn't match the truck. Where do I find ID marking on engine so maybe I can use those numbers to get information and were can I go find a website to get some diagrams to start fixing this problem. I'm getting 5-7 mpg and with gas $3.59 a gallon I can't afford this for to long. Appreciate any help given. SK

Last edited by SFKelley; Feb 7, 2013 at 02:07 AM. Reason: Misspelling

Feb 7, 2013 | 07:58 AM

timbersteel

Logistics Pro

Joined: Mar 2005

Posts: 4,698

Likes: 47

From: Mexico, Missouri

There should be a calibration code on the door jam. Something along the lines of
"1-75A-R00"
"1-76A-R00"
"1-76C-R00"
"2-64K-R00"

Here's a link for your VECI decal.
http://www.motorcraftservice.com/vdi...INE=5.8L+-+EFI
If that doesn't work here's another one.
http://www.motorcraftservice.com/vdi...&menuIndex1=25

Look on the right hand side of the page, scroll to the bottom till you see "VECI Labels".

Hope this helps. If you get all the vac lines connected, be sure to disconnect the neg. battery cable for at least 10 mins. This will clear the KAM in the ECM and allow it ( ECM ) to learn new strategies. May also be worth checking for stored codes to give you some better ideas as to failing sensors or what isn't working correctly. I would ensure all my vac lines are correctly routed, then do as I mentioned earlier. Then drive the truck a minium of 15 minutes at varying speeds and then check once again for codes.

Here's a site that can help you with pulling codes for free.
http://oldfuelinjection.com/?p=13