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.

If not within the specification, perform the following inspections.

Compression pressure.
Check valve.
Air suction

Installation areas of each vacuum hose
Installation area of throttle body
Installation area of fuel injector
Installation area of PCV valve
Installation area of intake manifold

Standard

Approx. –60.0 kPa {–450.0 mmHg, –17.7 inHg}

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. ...

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