Found a code reader that works
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Joined: May 2004
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From: Central Coast of CA
I was surprised because both my handheld tuners work great as code readers, and I was perplexed as to why it was difficult to find a code reader that would read the PSD codes.
Stewart
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Yes. The 7.3's aren't fully OBD II compatible. IIRC, you can pull some general codes, but nothing really specific for the engines unless you use a factory scanner or AE. Thats why Chris is playing 20 questions with you.
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Last edited by triskit16; Nov 3, 2008 at 11:24 PM. Reason: add
Postmaster
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From: VA
What info exactly are you looking for? The codes he listed are only on the early bird models since they used a shunt on the GPR which the rest of us don't have.
If you're looking for the code explanations (DTC = Diagnostic Trouble Codes) go to SECTION 4A: Diagnostic Subroutines — F250-550 and Econoline in the PC/ED manual.
Then, in the menu on the left scroll down to the bottom and click on Diagnostic Trouble Code Description
That will give you the list of the 4 digit P codes and the diagnostic tree to follow. When you click on the link to go to the pinpoint test, you can usually scroll up to the top of that page and click on the "XX" Introduction which will take you back to a general description of how that sensor basically works.
If you're looking for the code explanations (DTC = Diagnostic Trouble Codes) go to SECTION 4A: Diagnostic Subroutines — F250-550 and Econoline in the PC/ED manual.
Then, in the menu on the left scroll down to the bottom and click on Diagnostic Trouble Code Description
That will give you the list of the 4 digit P codes and the diagnostic tree to follow. When you click on the link to go to the pinpoint test, you can usually scroll up to the top of that page and click on the "XX" Introduction which will take you back to a general description of how that sensor basically works.
Sorry for the back to back post...dont know how to put 2 quotes in one reply yet!
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Stewart
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Joined: Apr 2007
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From: Broad Run, Va
Whats up fella's??
I just bought an F250 7.3 (2002), the engine light is on, so I went to Advance auto parts and borrowed their code reader. code reader said "Pass". But the light is still on. The engine light comes on after the truck warms up and stays on.
How do I find out why the engine light is on?
I just bought an F250 7.3 (2002), the engine light is on, so I went to Advance auto parts and borrowed their code reader. code reader said "Pass". But the light is still on. The engine light comes on after the truck warms up and stays on.
How do I find out why the engine light is on?
Laughing Gas
Joined: Apr 2007
Posts: 1,028
Likes: 3
From: Broad Run, Va
Are there PC based diagnosis software programs that will allow you to use your Laptop computer to plug into the OBD II port and diagnose the engine codes?
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