Mazda 3 Service Manual: Exhaust & Emissions

Valve Clearance Inspection [Mzr 2.0, Mzr 2.5]

1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the wiring harness. 5. Remove the ignition coils.. 6. Remove the spark ...

Exhaust System Inspection [Mzr 2.0, Mzr 2.5]

1. Start the engine and inspect each exhaust system component for exhaust gas leakage. If there is leakage, repair or replace the appropriate component.. ...

Other materials:

Parking Brake Cable Removal/Installation
1. Remove the following parts: a. Upper panel. b. Shift knob (MTX). c. Selector lever knob (ATX). d. Shift panel. e. Side wall. f. Console. 2. Remove the under cover.. 3. Remove the tunnel member (rear). (MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo). 4. Remove the brace bar. (SKYACTIV-G ...

Engine Tune Up [Skyactiv G 2.0]
Engine Tune-up Preparation NOTE: If the accelerator pedal is depressed continuously for a specified time, the engine speed may decrease to the idle speed. This is due to the fuel cut control operation, which prevents overheating, and it does not indicate a malfunction. The engine s ...

Oil Control Valve (OCV) Inspection [Mzr 2.3 Disi Turbo]
Coil Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the OCV connector. 4. Measure the coil resistance between terminals A and B using a tester. If not as specified, replace the OCV.. OCV coil resistance 6. ...