Often times your vehicle or components are showing symptoms of an issue, but you have nothing else going on. No check engine lights, no obviously failed components, and you aren’t sure where to start. For example, let’s say you have blue smoke coming from your exhaust. What causes that symptom? Where do you start?


The Symptom-Based Troubleshooting from Diesel Repair is your answer to those questions. By using our easy-to-find navigational system, users can quickly find the solutions to their problems. Our information has been developed and organized by the Diesel Laptops subject matter experts and has been written to help everyone from novice to experts.

Easy to Use Navigation

Once you’ve selected your symptom, you are now displayed with common points to perform a variety of diagnostics on. This will allow you to quickly and easily find the solution to your problem. Users can also print the details or save them to PDF for easy retrieval.


Diesel Repair is committed to providing you with commercial truck repair information, and Symptom Based Troubleshooting is just one of the many ways we can do that. Diesel Repair operates as a freemium model, and all free users are granted a limited number of lookups each month on the Symptom Based Troubleshooting section. You can register for a free account and start accessing this content immediately today!

Every time I have used Diesel Repair, it has pointed out the issues pretty quickly

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