HEATKEYS

A car repair resource site that helps you diagnose vehicle OBD, OBD-II, and OBD2 problems. We have many articles on how to diagnose and repair many check engine light codes.

Automotive DIY diagnostic and test equipment manufacturer

Provides links to information and online services and resources serving Delaware

Diagnostic Trouble Code Help for your car or truck

OBD - OBDII Codes Definition, Description and Repair Information. Diagnose and Repair Engine, Transmission, Body and Chassis OBDII Codes | Engine-Codes.com

Automotive repair & diagnosis help for common car problems,car repair advice, fix check engine light

OBD-II - On-Board Diagnostic System Information. Dedicated to helping the home and independent technician understand and use OBD-II technology. Background, trouble codes, Q&A, links, and other information. OBD II automobile computer system inform...

Free Online Auto Repair Manual for how to Read and Erase Auto Diagnostic Codes for American, Japanese, Korean, Australian and European vehicles, without

SAE Standards

You can do your own auto repairs by following out easy step-by-step do-it-yourself tutorials which show you how to diagnose, troubleshoot, repair, fix, modify and maintain your car or truck. We cover troubleshooting, regular maintenance, tune ups, br...

wiseGEEK: clear answers for common questions

The CDX automotive eTextbook is a free searchable automotive textbook and encyclopedia for automotive instructors and automotive students.

DTCSearch is a free search engine, which has the most up-to-date database of OBD-II diagnostic trouble codes (DTCs), and allows you to look up generic and manufacturer-specific codes.