Feature Articles

Cleaner Running

Cleaner Running

Now, more than ever before, customers are concerned with the fuel mileage, performance and cost of ownership of their vehicles. Fuel mixture codes are definitely related, and are some of the most common codes we work on.

Nissan TechNews March 2010

Nissan TechNews March 2010

Contents Modern Catalytic Converter Diagnosis A New Look at an Old Job - Today's Ignition Tune Working Under Pressure: Nissan and Infiniti Tire Monitoring Systems

Lean Is Mean

Lean Is Mean

We often make fun of them: Techs who use the scan tool to tell them what part to replace. We must admit that sometimes, for the sake of expediency, we do the same thing. Let’s not get caught in that trap on a Toyota with a lean condition.

Prius Inverter Cooling

Prius Inverter Cooling

The Prius uses an independent cooling system to cool the inverter and Motor/Generator. In warm weather, problems with the inverter cooling system are fairly common in both the Gen 1 Prius (2001-2003), and Gen 2 Prius (2004-2009).

Sometimes Cats Get Stuck In Park

Sometimes Cats Get Stuck In Park

Before a Jaguar can be cat-quick, it must get out of park. With sophisticated electronics these days there must be coordination among shifter modules and transmission range switches. Let’s look at this S-Type and see what’s involved.

Let Us Give You Some Feedback

Let Us Give You Some Feedback

We were always taught 14.7:1 was the perfect ratio of air to fuel. Well, with the need to improve fuel economy and decrease harmful emissions, leaner air/fuel ratios are required. How is the PCM going to determine how lean is lean?

Simplifying BMW Schematics

Simplifying BMW Schematics

BMW vehicles are continually sprouting new electrical and electronics circuits, including different sensors, CAN data buses and fiber optics. So, the ability to follow and interpret wiring diagrams is becoming more and more important if you’re going to keep servicing these super-computers on wheels.