This diagram shows the major cam events through one full cylinder cycle (two crank revolutions or 720 degrees), beginning at TDC firing. The exhaust lobe and valvetrain is closer to the front, and ...

'We've tested a lot of cam and valvetrain components in the past few years and have decided to give you an education by reviewing some of the more interesting results we've found and condense it into ...

What P0022 means: Indicates Bank 2 intake camshaft is lagging behind commanded timing, typically in engines with VVT systems. Likely culprits: Low or degraded oil, clogged or faulty VVT solenoids, ...

Fiat’s 1.4L family of engines utilizes “MultiAir” technology. Dave Schmidt is chief engineer for Chrysler’s North American 1.4L engine program, and here’s how he described MultiAir to this writer, and ...

When the function of a camshaft(s) is explained to non-mechanically-inclined types, it's sometimes referred to as the "brain" of an engine. Most engines will live their entire lives with the stock cam ...

Your camshaft and timing system quietly keep your engine in perfect rhythm — until they don’t. From worn lobes to failing phasers, small issues can snowball into major repairs if ignored. Knowing the ...