Troubleshooting
Something wrong with your truck? Start here. Diagnostics before parts — always.
Transmission Hot Idle Engine: What It Means and What to Do
Your dash says Transmission Hot Idle Engine. Here is what is happening inside your transmission, what to do right now, and how to stop it coming back.
Mini Maxx Problems and Fixes
Still running an old H&S Mini Maxx? Dead screens, failed updates, locked tuners and corrupt tunes. Here is what can still be fixed and what cannot.
175 Amp Mega Fuse Problems: Symptoms and Replacement
Your truck is dead and you found a blown 175 amp mega fuse. Here is what that fuse protects, why it blew, and how to replace it without causing a bigger problem.
How to Reset the Ambient Temperature Sensor
Your dash shows the wrong outside temperature and the climate control is acting up. Here is how to reset the ambient temperature sensor, and when to just replace it.
Ford Rollaway Recall: Is Your Truck Affected and What to Do
Ford recalled about 272,645 vehicles because the park module may fail to hold the vehicle in park. Here is how to check your VIN and what to do until the free software fix is installed.
P0087 Code on Duramax — Low Fuel Rail Pressure, Fixed
P0087 means your Duramax is starving for fuel. Here is how to diagnose it properly instead of throwing parts at it.
How to Clean a DPF Filter (Regeneration Guide for Diesel Trucks)
Your truck is asking for a DPF regen and you are not sure what to do. Here is what actually works, from a mechanic who has done hundreds of them.