Ottawa’s Trusted Diesel Performance & Repair Shop

Welcome to Precision Diesel! We are diesel maintenance/repair and diesel performance specialists, located south of Ottawa. If you have a diesel vehicle, we are your honest mechanics to take care of you right.

Because diesel is what we know best, you have a team of experts who can diagnose the root of the issue quickly and recommend the optimal solution for your vehicle performance – all while passing these savings onto you! If you require mobile repair, we also provide mobile diesel mechanic services to meet you where you are!

We are all about diesel performance with the latest tools & technology to provide your vehicle optimal power, fuel savings and longevity. Looking for wheel alignments and ADAS calibrations? We can get your driver safety features aligned again.

Have a question or issue with your diesel vehicle? Speak to an expert at Precision Diesel to get to the bottom of it.

12024 Dawley Drive, Winchester, ON, K0C 2K0

Trusted Mechanic By:

“First time visiting this shop. Richard and Evan were great and really know their diesel trucks. I’ll be a repeat customer for sure.” – Don

“I realized my truck was a challenge, but you said you have never been beat before and you proved that. You are the best of the best.” – Larry