Posts by MARC ONEIL
Injector Replacement Cost: The Best Proven Price Breakdown
Diesel Injector Replacement Cost (Per Cylinder)
Injector replacement cost scales with how many cylinders need one, but the math isn't ...
Turbo Replacement Cost: The Best Proven Price Breakdown
Turbocharger Replacement Cost
Turbo replacement cost varies mainly by turbo type and what caused the failure in the first place. A sim...
Engine Replacement Cost: The Best Proven Price Breakdown
Diesel Engine Replacement Cost (Full Breakdown)
Engine replacement cost depends heavily on what you're actually buying — a short block...
Diesel Limp Mode: The Best Proven Diagnosis & Reset Guide 2026
Diesel in Limp Mode: How to Diagnose and Reset
Diesel limp mode is a protective response, not a failure in itself. The ECU deliberatel...
Diesel Loss of Power: The Best Proven Diagnosis Guide
Diesel Loss of Power: Causes, Diagnosis & Fixes
Loss of power on a diesel almost always traces back to one of three systems: air, ...
Diesel Engine Overheating: The Best Proven Fix Guide
Diesel Engine Overheating: Causes, Diagnosis & Fixes
Engine overheating is a symptom that punishes delay more than almost anything...
Diesel Burning Oil: The Best Proven Causes & Fix Guide
Diesel Burning Oil: Causes and How to Stop It
Diesel burning oil means the engine is consuming oil beyond what normal operation accoun...
Low Oil Pressure Diesel: The Best Proven Fix Guide
Low Oil Pressure in a Diesel: Causes and Fixes
Low oil pressure is the one warning on this list you shouldn't drive through. Every oth...
Bad Injector Symptoms: The Best Proven Diagnosis Guide
Bad Diesel Injector Symptoms and Testing
Bad injector symptoms show up as rough idle, a misfire on one cylinder, smoke, or a real loss...
White Smoke Diesel: The Best Proven Diagnosis & Fix Guide 2026
White Smoke From Diesel Engine: Causes, Diagnosis & Repair
White smoke means one of two things: unburned fuel or coolant is passin...
Black Smoke Diesel: The Best Proven Causes & Fix Guide 2026
Black Smoke From Diesel Engine: Causes and How to Fix It
Black smoke means your engine is burning more fuel than the air it has can ha...
Blue Smoke From a Diesel: The Best Proven Diagnosis Guide
Blue Smoke From Diesel Engine: Causes, Diagnosis & Fixes
Blue smoke from a diesel exhaust means one thing specifically: engine oil...
Diesel Engine Rebuild Cost: The Best Proven Price Breakdown (2026)
Diesel Engine Rebuild Cost Breakdown
Engine rebuild cost on a diesel spans one of the widest ranges of any repair, because "rebuild" i...
Diesel Knocking: The Best Proven Causes & Diagnosis Guide
Diesel Engine Knocking Noise: Causes and Diagnosis
Some diesel knocking is completely normal — the distinctive clatter of compression ...
DPF Won’t Regen: The Best Proven Fix Guide (2026)
DPF Regeneration Problems: Won't Regen Fixes
When a dpf won't regen, soot keeps accumulating in the filter with nowhere to go, and mos...
Bad EGR Valve: The Best Proven Diesel Diagnosis Guide
EGR Valve Symptoms: Bad EGR Diagnosis and Cleaning
A bad egr valve is one of the most common causes of a rough-running diesel that als...
Diesel Head Gasket Replacement Cost: The Best Proven Price Breakdown (2026)
Diesel Head Gasket Replacement Cost
Head gasket replacement cost on a diesel varies more than almost any other common repair — and the...
OEM vs Aftermarket Parts: The Best Proven Buying Guide (2026)
OEM vs Aftermarket Diesel Parts: How to Choose
The oem vs aftermarket parts decision comes up on every diesel repair, and neither answ...
Blown Head Gasket Symptoms: The Best Proven Diagnosis Guide
Blown Head Gasket Symptoms on a Diesel
Blown head gasket symptoms on a diesel rarely show up as one single obvious sign — they show up...
Performance Transmission Guide: Best Auto & Manual Picks (2026)
A performance transmission is the part of your build most likely to fail, and the part most likely to be an afterthought.
People spe...
Disc Brake Conversion: Best Kits, Real Costs & Fit Guide (2026)
A disc brake conversion is the single most important upgrade you can make to a classic car — and the one most people put off until afte...
LS Swap Guide: Best Engine, Transmission, Parts & Cost (2026)
An LS swap is the most popular engine conversion in the world, and the reason is simple: no other engine gives you this much power, thi...
Crate Engine Buying Guide 2026: How to Choose the Best Engine
A crate engine is the fastest, most predictable way to put reliable power into a project car — and one of the largest single purchases ...
Crate Engines: The Complete Buyer’s Guide (2026)
Buying a crate engine is one of the largest single purchases in any build. Get it right and you have a reliable, powerful engine that r...
how to turn off trailer brake system warning
How to turn off trailer brake system warning. Did you know that approximately 40% of maritime casualties and operational failures are a...