Advertisement The MAP sensor measures the pressure in the intake manifold for use in the vehicle’s engine control (ECU). In some cases, the MAP sensor also includes a temperature sensor for measuring the air temperature. The information is included in …
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Advertisement In a turbocharged engine, the exhaust gas which would normally be wasted is used to drive a turbine. The turbine in turn drives a compressor, which draws in air and compresses it, and supplies it at a higher pressure …
Advertisement A vane air flow (VAF) sensor. Typical air vane sensor with the cover removed. The movable arm contacts a carbon resistance path as the vane opens. Many air vane sensors also have contacts that close to supply voltage to …