Mazda 3 Service Manual: Intake Manifold Vacuum Inspection [Mzr 2.0, Mzr 2.5]
1. Disconnect the evaporative hose (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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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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MZR 2.0: Approx. –68.0 kPa {–510 mmHg, –20.1 inHg}
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MZR 2.5: Approx. –70.0 kPa {–525 mmHg, –20.7 inHg}
Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
NOTE:
Because the IAT sensor is integrated in the MAF sensor, replacing the IAT
sensor includes replacement of the MAF/IAT sensor.
1. Remove the battery cover.. ...
Variable Intake Air Shutter Valve Actuator Inspection [Mzr 2.0, Mzr 2.5]
Operation Inspection
1. Remove the air hose..
2. Disconnect the vacuum hose from the variable intake air shutter valve actuator.
3. Connect a vacuum pump to the variable intake air shutter v ...
Other materials:
Front Seat Belt Removal/Installation [Standard Deployment Control System]
WARNING:
Handling the front seat belt (pre-tensioner seat belt) improperly can accidentally
deploy the pre-tensioner seat belt, which may seriously injure you. Read the
air bag system service warnings and cautions before handling the front seat
belt..
WARNING:
The side ...
Spark Plug Inspection [Skyactiv G 2.0]
Specification
Spark plug type
PE01-18110, PE02-18110, PE5R-18110, PE5S-18110
Plug Gap Inspection
CAUTION:
To avoid possible damage to the tip, do not adjust the plug gap.
To prevent damaging the tip, use a wire type plug gap gauge when inspecting
the plug gap.
...
Antenna Feeder No.7 Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the liftgate upper trim..
3. Disconnect the connector A.
4. Disconnect the connector B..
5. Remove the bolt.
6. Remove the antenna feeder No.7.
7. Install in the reverse order of removal.
Connector B Removal Note
1. Remove the c ...