Mazda CX-5 Service & Repair Manual: 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.
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If not within the specification, perform the following inspections.
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Compression pressure.
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Check valve.
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Air suction
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Installation areas of each vacuum hose
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Installation area of throttle body
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Installation area of fuel injector
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Installation area of PCV valve
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Installation area of intake manifold
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Standard
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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.
...
Other materials:
Hood Removal/Installation
WARNING:
Removing the hood without supporting it could cause the hood to fall and
cause serious injury. Always perform the procedure with at least another person
to prevent the hood from falling.
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Fro ...
Camshaft
Purpose, Function
The camshaft is rotated by receiving the rotation force of the crankshaft
via the timing chain. The valve is opened and closed according to the cam shape
at this time.
Construction
The camshaft is installed to the cylinder head.
The intake ca ...
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 ...
