This is why an oil change is so important
Let's start with what a camshaft phaser is. A camshaft phaser is normally part of the drive gear that runs on the timing chain. This gives your computer the ability to adjust the physical camshaft timing allowing your engine to produce more efficient power over a much broader engine speeds or RPMs range.
Cam phasers can fail for multiple reasons. Many times failure is due to a lack of good lubrication. Extending your oil change intervals can cause premature wear on these components that rely on oil to function.
You camshaft phaser over time can mechanically wear out. When this happens an oil leak may be happening internally and you will not be able to see it. A symptom of this can be engine rattling on cold starts until the engine has built oil pressure.
Some camshaft phasers have lock pins. The job of these pins are to lock the camshaft timing into a set position during start up. This allows time for the oil pressure to build up. Once the oil pressure is at a safe pressure the pins are released and the computer can now control the camshaft timing using oil control solenoids.
Oil control solenoids can also fail making impossible for the computer to control the camshaft timing. This can lead to a variety of drivability issues and concerns. Including running rough, lack of power and poor overall engine performance.
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Happy Adventures,
Heather
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