Dealer Service
Chasing Oxygen Sensor Heater Codes
Diagnosing common O2 sensor heater codes isn’t necessarily difficult, it’s just about answering how fast and how hot.
Diagnosing common O2 sensor heater codes isn’t necessarily difficult, it’s just about answering how fast and how hot.
Internal combustion engine designs are trending smaller with higher turbocharger boosts to produce big-engine torque and horsepower ratings.
Conventional cranking compression and cylinder leakage tests have become time-consuming and often inaccurate. Modern engines require a more accurate method...
Because the permanent or “ferrite” magnets that are used in starters are made of a brittle ceramic material, they are...
Author Gary Goms provides two real-world examples of how two- and three-wire sensors can cause an intermittent rich operating condition.
Although modern master cylinders are reliable, they do require periodic inspection.
There’s more to ignition science than looking for the classic quarter-inch long “hot blue spark” jumping from coil secondary to...
Air/fuel ratios can range from 13:1 to 22:1, but no matter what the ratio, there’s a fuel trim cell that...
An ignition system misfire is the most common cause of catastrophic converter failure. Here’s what you need to know.
Here’s what you need to know to better understand the concept of computer-controlled charging systems.
