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Mazda CX-5 Service & Repair Manual: Intake Manifold Vacuum Inspection

Mazda CX-5 Service & Repair Manual / Engine / Intake / Intake Manifold Vacuum Inspection

1. Disconnect the evaporative hose No.3 (purge solenoid valve side) and install the vacuum gauge..

2. Verify that the intake air hoses are installed securely.

3. Warm up the engine.

4. Measure the intake manifold vacuum while idling (no load) using the vacuum gauge.

Intake Air Temperature (Iat) Sensor
IAT Sensor No.1 Purpose/Function Detects the IAT before it passes through the throttle body as basic information for mainly determining the fuel injection amount. Detects the IAT be ...

Intake Manifold
Purpose, Function Distributes intake air to each cylinder evenly. Optimizes the combustion efficiency and performance of the engine by distributing intake air to each cylinder. ...

Other materials:

Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage. If there is any malfunction, replace the heater core. 2. Visually inspect the fins for bending. If there is any bending, use the end of a flathead screwdriver to straighten the fins. 3. Visually inspect ...

Exhaust Manifold
Purpose, Function By lengthening the exhaust passage, the transmission of exhaust pressure waves to other cylinders can be delayed, and the amount of gas exhausted from a cylinder and forced back inside the combustion chamber is reduced By reducing the residual gas, the temperature i ...

Positive Crankcase Ventilation (PCV) System
Purpose, Outline Prevents release of blow-by gas (unburnt gas) into the atmosphere. The intake manifold vacuum introduces blow-by gas to the intake manifold via the PCV valve and the ventilation hose. System Diagram Structure The positive crankcase ventilation sys ...

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