A lean air/fuel mixture burns slower and not as hot, so some fuel may not fully burn during the combustion cycle, eventually ...

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Bolted directly to the engine block, the exhaust manifold is the first section of a vehicle’s exhaust system. It funnels exhaust gases from all the cylinders and routes them to the car’s ...

Car exhaust flame throwers work by interrupting ... Also, this mod can’t be used on a fuel injected car. It would foul the O2 sensors and catalytic converter. Never the less, our fascination ...

A new six-axis IMU improves the performance of the electronics suite. The 2025 Honda NT1100 has three levels of traction ...

Your vehicle's MAP sensor plays a crucial role in keeping it performing at its best. Here's how it works and the warning signs that it might be failing.

Other signs of a bad MAP sensor include rough idling, sluggish acceleration or hesitation, poor fuel economy or black smoke coming out the exhaust. Not only can the sensor fail, but vacuum hoses ...

Bosch had K-Jetronic which was a mechanically metered system that later gained some feedback electronics, becoming the very first FI system to utilize an exhaust gas oxygen sensor for fine mixture ...

To make passing these tests a little easier, [Janis Alnis] came up with this diesel exhaust monitor that measures the opacity of his car’s emissions. The sensor itself is quite simple ...

When it comes to the pressure of mountain and gravel bike tires, a few psi either way can make a big difference in ...

Brought in my 06 Dakota for a O2 Sensor repair after failing state ... Definitely didn’t smell like gas/exhaust in the car. They claimed they couldn’t get an old spark plug off and had to ...

The White House on Wednesday announced new tailpipe emissions rules aimed at slashing the amount of CO2 and other harmful pollutants that America’s cars will produce over the next several years.