On late model Ford 4.6L and 5.4L V8 engines, the variable valve timing (VVT) system (a.k.a variable camshaft timing system) uses two solenoids (one per cylinder bank) to control oil flow within the system.View Full Product Listing
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The Problem: When the solenoid screens on certain Audi and Ford vehicles become clogged, the vehicles may experience rough idling, lack of power, and engine misfiring.
Our Response: To remedy those symptoms, TechSmart’s line of Variable Valve Timing Solenoids maximize horsepower and torque curves while reducing emissions and improving vehicle efficiency.
TechSmart Tip: Each 4.6L and 5.4L V8 engine requires two solenoids (one for the driver side and another for the passenger side). TechSmart’s technicians recommend replacing both solenoids at the same time to prevent comebacks. Also, look for trouble codes P0010/11/12/20/21/22 when diagnosing drivability symptoms. If you see one, you may need to replace one or both VVT solenoids. Lastly, while you’re optimizing the solenoid, keep in mind that TechSmart also offers the S21001 Engine Variable Timing Sprocket (a.k.a. Cam Phaser).
To learn more about TechSmart’s VVT Solenoids, check out the video below from our “Are You TechSmart?” series: