Discover how a dirty oxygen sensor, old coolant, and worn spark plugs can increase fuel consumption. Practical tips from ...

Your fuel economy is getting worse most commonly from underinflated tyres, a clogged air filter, worn spark plugs, a fau ...

More than six years after Pine64 introduced a cheap smartwatch designed to run open source firmware, the company is preparing to launch a new model. The PineTime Pro isn’t a rep ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

For an engine to create propulsion, it first needs a few core ingredients. The process begins with fuel being pumped through the car's fuel lines and into the combustion chamber. This is where fuel ...

A lot of useful info can be found at Diagnostics and Datalogging for Subaru SVX. This pinout can be partially correct for other Subaru from early 90s (with same yellow ECU connector). Like ...

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 ...

Tuning a stock, EEC-IV engine control module on a Fox Mustang is like trying to stream Netflix on a dial-up connection — outdated, inflexible, and likely to leave you screaming into the void. For me, ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

Researchers have developed a system, called ProxiCycle, that logs when a passing car comes too close to a cyclist (four feet or less). A small, inexpensive sensor plugs into bicycle handlebars and ...