Engine - Intake-Air System: Overview — Mazda RX-8 I (2003-2008)

Engine - Intake-Air System: Overview Mazda RX-8 I

Mechanical 7 illustrations ~184 words

Scheme 2: INTAKE-AIR SYSTEM LOCATION INDEX

Scheme 3: INTAKE-AIR SYSTEM DIAGRAM

Scheme 4: INTAKE-AIR SYSTEM HOSE ROUTING DIAGRAM

Scheme 5: INTAKE-AIR SYSTEM MANIFOLD VACUUM INSPECTION

Verify that the intake-air system related parts and hoses are securely installed.
Remove the intake manifold blind cap and install the vacuum gauge.
Warm up the engine.
Measure intake manifold vacuum while no load and idling. Intake manifold vacuum MT: -66.7-56.0 kPa {-500.2-420.1 mmHg, -19.6-16.6 inHg AT: -67.3-53.4 kPa {-504.7-400.6 mmHg, -19.8-15.8 inHg If not within the specification, perform the following inspection: Compression pressure (See «COMPRESSION INSPECTION»(ref-178318-S20625522812005061400000) .) Air intake Each hose installation part Throttle body installation part Fuel injector installation parts Extension manifold (upper, lower) installation part Purge solenoid valve installation part Intake manifold installation part

Operation Inspection

CAUTION

Applying voltage to the APV motor terminals for more than 3 seconds may damage the APV motor.

Disconnect the negative battery cable.
Remove the APV motor.
Apply 12 V with a current of 0.9-1.9 A to terminal B or D and verify that the gear moves. If there is no malfunction, carry out the «CIRCUIT OPEN/SHORT INSPECTION»(ref-178322-S04882002082005061400000) . If there is any malfunction, replace the APV motor. (See «INTAKE-AIR SYSTEM REMOVAL/INSTALLATION»(ref-178322-S25288823672005061400000) .)

Scheme 8: Circuit Open/Short Inspection