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At Low Engine Speed

WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.

At low engine speed, the rocker arm oil control solenoid is turned off by the ECM/PCM. Oil pressure from the rocker arm oil control valve does not enter the intake rocker shaft. Both intake rocker arms are lifted by the low lift cam lobe.

Fig 1: Identifying VTEC System Operation Diagram - At Low Engine Speed
G05952822Courtesy of AMERICAN HONDA MOTOR CO., INC.
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