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How To Decode OBD1/OBD2/EOBD Fault Codes

Member written articles and tips for other members to assist with vehicle maintenance and repair. You will be surprised at how easy some things are if you only knew how. Here’s where to show and tell (or ask) how to do it. Do you have a Tech write up that you want to share? Post it here, and we'll share it with the world. There are many out there who want to know how to get it done and done right the first time. This is the place to share the info.

How To Decode OBD1/OBD2/EOBD Fault Codes

Postby 4N2NR » 07 Mar 2009, 12:11

For OBD1 code systems, this website gives you:

Where to find the Diagnostic Connectors
Photos of the Diagnostic Connector locations
How to put the vehicle into Diagnostic Mode
How to Read the codes (includes timing diagrams)
Ability to enter your code number(s) into their database & get their meaning
How to Erase the codes from the vehicle computer memory

For OBD2 / EOBD code systems, this website gives you:

Where to find the Diagnostic Connectors
Photos of the Diagnostic Connector locations
Entering your code number(s) to get the code meaning from their database

http://codes.rennacs.com
I put the FUN in dysfunctional!

Just tell her you are fixing it for someone and it is not yours and when they never show up to pick it up tell her you are keeping it for all of the work you put into it.
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