I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Modern car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Stop struggling with stuck O2 sensors. Find out why a specialist socket kit is a better investment than a standard wrench for your next car repair.

The problem: The check-engine light may illuminate due to a faulty oxygen sensor. Cars affected by service bulletin: Equipped with turbocharger 1.6-liter engine See More Service Bulletins Corrective ...

Stricter environmental controls and the requirement to create less pollution has led to far more complex automotive exhaust systems. One component of these systems is the oxygen sensor or Lambda ...

Q: Where are the oxygens sensor(s) located on a 1999 Toyota Corolla? A: In the exhaust system, before and after the catalytic converter. Q: We just recently purchased a 1996 Ford Explorer, and it has ...

One of the biggest fears of any vehicle owner or driver is the dreaded Engine Warning Light, also known as the Check Engine Light. While there is a chance of a major fault, sometimes it is likely that ...