In this tech tip instructor Ron Bilyeu shows us by graphing the MAP sensor over time can help with your diagnostics. All drivability problems fall into one of these 3 areas 1.Breathing 2.Fueling 3.Ingnition. A Variable Valve Timing problem is a breathing problem. In addition to graphing the MAP sensor Ron also discusses Volumetric Efficiency testing.
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Variable Valve Timing Diagnostics
View CourseEvery vehicle by 2020 or 2021 will have gasoline direct injection and variable cam timing in order to meet current and future fuel economy and emission standards. This program is essential to keep up with the future of the automotive industry.
