Ryan Fox

92.2K subscribers

720 videos

Welcome to my channel! My name is Ryan — a diesel mechanic, a father, and a husband. On this channel, I share both old-school and modern diesel mechanic tips...

Latest Videos

Diagnosing Excessive Regen on an Isuzu NPR Using Proformance Link

Reefer Powered APU! 34-Hour Reset Game Changer - Polar Fox Electric APU for Semi Trucks

Can THIS Tool Really Change Your Truck’s Speed Limiter

We Bench Tested a Freightliner NOx Sensor On The Truck… Here’s What We Found

Stop Idling – Install This Electric Parked AC & Save Thousands (Full DIY Guide)

How to Bench Test a NOx Sensor (We tested a bad NOx sensor, here is what happened)

How to Bench Test NOx Sensors (Stop Guessing & Save Thousands!)

DPF Reset & Regen Made Easy with ProFormance Link - Full Walkthrough Forced Regen with Mack Truck

I Couldn’t Believe This Truck Part Costs $3,000

This Intake Manifold FINALLY Fixes Cummins’ Biggest Airflow Problem

Diesel Engines With Spark Plugs The Strange Genius of 1950s Tractors

Cummins Fault Code 1669 and 4769 - How to diagnose and repair

🔥 How to Install a Bunk Heater in a Semi Truck Step-by-Step Diesel Heater Install Tutorial

DOC Regen Temperature Stuck at 800 Degrees During Regen, How To Diagnose and Repair

Excess Fuel in DPF and DOC, DOC Temp All Over The Place - How to Diagnose and Repair

We chopped up the trucks, as used trucks are so cheap!!!

Reduce Idle with new Electric APU for Daycab Truck and Box Truck - Polar Fox Nano System Launched

DC 12V Split Parking Air Conditioner For Semi Trucks For Only $1,600 (Closeout Sale) - Polar Fox APU

Super Sleeper APU Install 24V Cooling System with Roof-Mounted Condenser Polar Fox APU

Ultimate No-Idle Truck AC Setup! Polar Fox APU Installed on a Freightliner Cascadia

We Built the Ultimate Hybrid APU! Diesel + Electric APU Combo

First Polar Fox APU Install on Peterbilt 579 w Headache Rack – Clean Setup + Upper Bunk Cooling!

Polar Fox Electric APU Installed on 2020 Freightliner Cascadia Studio – Full Walkthrough!

Unleashing Power The Best Lithium Battery Setup For Semi Truck Electric APUs

Polar Fox APU Install on 2020 Volvo VNL 860 Ultimate No-Idle Solution & Key Benefits Explained

🚛 Super Capacitor + Lithium Batteries installed on a Volvo Truck – My Experience & Option 🤔🔋

Heavy Rust & Corrosion on an Older Cummins ISX15 Aftertreatment System (DPF, DOC & SCR)

Turbo Failure Disaster! How to Clean the Massive Oil Mess with Diesel Force Cleaning!

How to Complete the California CARB Clean Truck Check A Step-by-Step Guide

Catastrophic Turbo Failure In A Volvo D13 Semi Truck!