Carbon Deposits and Direct Injection Engines
The primary cause of these problems is that fuel and added detergents are not hitting the back of the intake valves.
Diagnosing Driveability Problems
Understanding what comes out through the exhaust valve is critical to solving any emissions or driveability problem.
ECM Damage
Engineers have devised two strategies that can be called the “immune system” for the electrical system.
Scan And Scope Diagnostics
Using a scan tool to communicate with different modules can confirm operation and the source of communication codes.
Oil and Carbon Deposits
Here’s how oil can influence carbon deposits.
Plastic Timing Chain Guides
Timing chain guides are designed to wear, but the guides are designed to last the engine’s life.
Understanding Audi’s Valve Lift System
The improved flow of exhaust gas to the turbocharger results in quick response and powerful torque buildup.
PC ReFlashing And Reprogramming
The choice to reflash is the hardest because there is no one solution or single path to follow.
BMW Telematics
The most common failures you will see are related to the wiring and connectors for the TCU.
Ignition Systems
The ignition coil is a very simple and robust circuit.
Repairing Wiring Harnesses
A guide to probing and poking.
Tips For Understanding Belt Friction And Tension
Serpentine belts and automatic tensioners more than tripled belt life.