Ryan Fox

Ryan Fox My name is Ryan — a diesel mechanic, a father, and a husband. If you enjoy the content, feel free to subscribe!

On this page, I share both old-school and modern diesel mechanic tips, troubleshooting guides, and practical how-to videos. 🚛 DPF Discounter is your go-to source for high-quality DPF, DOC, SCR, One-Box, and other aftertreatment parts at competitive prices. But we don’t just sell parts—we help you keep your truck running longer with how-to videos, expert blogs, and maintenance tips.

01/31/2026

How to spot an exhaust leak from your semi truck engine

01/24/2026

High pitch noise from the engine! How to diagnose and repair

01/12/2026

You’re just a broken bolt away from a disaster

01/11/2026

Truck is doing an active regeneration too often? DPF is full? Regeneration temperature is too low? Check out your DOC, maybe it is face plugged.

01/11/2026

Truck is doing an active regeneration too often? DPF is full? Regeneration temperature is too low? Check out your DOC, maybe it is face plugged.

01/07/2026

Squealing noise on this Volvo D13

04/17/2025
04/09/2025

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Canton, OH
44700-44799

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