OBD II scan tool - Ford Powerstroke Diesel Forum
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post #1 of 29 Old 12-11-2009, 09:51 AM Thread Starter
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OBD II scan tool

Howdy all, first time question, short time lurker.
I have an '03 that hates starting when cold unless plugged in, (if plugged in, starts like a charm) after reading through these fine posts on this forum I've concluded that I have a bad injector (or a few).
I'm actually a technician for Audi and have access to several different scan tools with generic OBD II capability. For some reason, my truck will not communicate with any of the scan tools I've tried. Is it supposed to communicate via the OBD port with any generic tool or what?

'03 F350 7.3l auto crew cab dually, 'n stuff.
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post #2 of 29 Old 12-11-2009, 10:07 AM
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Same Problem w/Innova 3100 reader

I had same problem with my Innova 3100 err message. I went and bought a actronCP9175 for my 2004 F250SD diesel. Now I need contend with the readings!
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post #3 of 29 Old 12-11-2009, 10:35 AM
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If your 03 is a 6.0, it used high speed CAN communication, you will need a scan tool with Ford enhanced software w/CAN. If you don't have this, you wont be able to look at the nescessary FICM data to diagnose a cold start and/or injector issue.


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post #4 of 29 Old 12-11-2009, 11:10 AM Thread Starter
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Nope, 7.3.

'03 F350 7.3l auto crew cab dually, 'n stuff.
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post #5 of 29 Old 12-11-2009, 12:51 PM
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It's not OBD2, unless its cali, wont be any generic data, need ford specific software.


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post #6 of 29 Old 12-11-2009, 03:30 PM Thread Starter
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Of course. Couldn't be that simple. Looks like the dealer for me, then. Thanks!
I'm guessing that because it's a diesel (and a truck with a high GVW), it's exempt from the OBDII laws, right?

'03 F350 7.3l auto crew cab dually, 'n stuff.
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post #7 of 29 Old 12-11-2009, 03:48 PM
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Did you check the GP system? This is usually the culprit on a 7.3. stock motorcraft relays are horrible. there have been some good recent threads related to cold weather start issues on the 7.3, do a search, or maybe someone smarter than I will post it, lol


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post #8 of 29 Old 12-11-2009, 03:57 PM Thread Starter
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I've read all the threads (when I was lurking). Very informational, great site here!
Anyway, I've narrowed it down to the injector problem due to it not only not wanting to start when cold, but when I do get it started, it misfires badly until it warms up a bit.
Which brings me back to the scanning codes problem, it would be handy to be able to read the codes.

'03 F350 7.3l auto crew cab dually, 'n stuff.
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post #9 of 29 Old 12-11-2009, 04:25 PM
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you should look into autoenginuity software with enhance ford,PC version does an excellent job on the 7.3. might contact one of the vendors on here that carry it, or go directly to AE web site.


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post #10 of 29 Old 12-11-2009, 04:29 PM
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autoenginuity iz awesome...1 of the guys in our club has it on his laptop and can check all our trucks out, well dont kno about the 6.4L in the club, but all the 7.3's and 6.0's !!!

-Mike-
2006 F-350 Lariat, Supercab, 6.0L, 3.73's...Rhinolined Bed...6 Spd Handshaker...Mag-Hytec Diff. Covers...Smoked Recon Lights...Amsoil oils front 2 back...Optima Yellow Tops...MBRP 5" ST8 Pipe, Turbo Back...Dieselsite Coolant Filter...Amsoil/Injen CAI...SCT SF3 Canned Tunes 4 Now...CFM Intake Manifold and Boost Tube...Blue Spring Upgrade...Edge Insite CTS !!!
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