Your car's O2 sensor can cause rough running, bad mileage, and inspection nightmares. Can a quick clean save the day? Here's ...

DENSO Products and Services Americas has released its 2016 First Time Fit Oxygen & Air/Fuel Sensor Catalog. With the addition of 83 new part numbers, the catalog contains oxygen and air/fuel sensors ...

Imagine a turbocharger trying to pressurize a carburetor with its small venturis and finicky floats and you can get some idea why electronic fuel injection opened the door to big boost, big power, big ...

Amir Baranzahi, Anita Lloyd Spetz, Peter Tobias, Peter Tobais, Ingemar Lundström, Per Mårtensson, Magnus Glavmo, Anders Göras, Jan Nytomt, Per Salomonsson, Håkan ...

Question: I took your advice and purchased a diagnostic scanner. I’ve been playing with it and trying to make sense of some of the things on the data list. I remember you saying that the “fuel trims” ...

Don't be afraid to adjust the carb with more than just your idle-air screw! The opening line says it all, right? Install a new carb or one that you just found at a local swap meet and don't be afraid ...

Hello. I've had an ongoing problem with my 2008 Corvette for over a year. I have reoccurring fault codes of P0171 and P0174, fuel trim lean on bank one and two. I have had the car to four shops and ...

Tuning a carburetor to supply an engine with the correct jetting-air/fuel mixture has always been a job that almost impossible for most hot rod owners and tuners. In the past, most performance engine ...

Your car’s engine is an amazing feat of engineering, but it doesn’t take much to cause problems with the way it runs. Too much air, too little fuel, a field mouse making the engine bay it home, and ...