What Happens When Cam Phasers Fail?

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A “cam phaser” is just an adjustable camshaft sprocket that can be turned by means of a computer-controled servo. Rather than just setting a certain amount of advance or retard, the computer can advance the cam or cams at low rpm to enhance driveability, and retard the cam or cams at high rpm for more horsepower. How much do cam phasers cost to replace? Replacing cam phasers is not cheap....

How Much Does It Cost To Replace Cam Phasers?

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When a cam phaser goes bad, the ECU will try its best to protect the engine. It would go into a limp mode and prevent the engine from exceeding a certain rpm. Then, the ECU would throw a code, and the check engine light would come on. How do you stop cam phaser problems? The sure fix to phaser problems is to lock the variable cam timing by essentially turning the phaser into a fixed timing gear. The...