Mazda 3 manuals

Mazda 3 Service Manual: Engine Tune Up [Mzr 2.3 Disi Turbo]

Mazda 3 Service Manual / Engine / General / Engine Tune Up [Mzr 2.3 Disi Turbo]

NOTE:

Engine Tune-up Preparation

1. Verify that the shift lever is in neutral position.

2. Connect the M-MDS to the DLC-2.


3. Verify that no DTCs are available.

4. Warm up the engine (ECT is approx. 80°C {176 °F} or more

).

5. Turn off all electrical loads.

6. Wait until the cooling fan stops.

Ignition Timing Inspection

NOTE:

1. Complete the engine tune-up preparation..

2. Verify the ignition timing (M-MDS: SPARKADV) using the PID/data monitor function of the M-MDS..

3. Verify that ignition timing advances when the engine speed increases gradually.

Idle Speed Inspection

NOTE:

1. Complete the engine tune-up preparation..

2. Verify that the idle speed (M-MDS: RPM PID) is within the specification using the M-MDS..

*1 When the following electrical loads are on: Headlights, rear defroster, cooling fan, and the blower motor (2-step or more.)

Idle Mixture Inspection

1. Verify that the idle speed and ignition timing are within the specification..

2. Insert an exhaust gas analyzer to the tailpipe.

3. Verify that the CO and HC concentrations are within the regulation.

Engine Tune Up [Mzr 2.0, Mzr 2.5]
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 preve ...

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 co ...

Other materials:

Quarter Window Glass Removal
1. Remove the following parts: a. Rear seat cushion. b. Rear scuff plate. c. Tire house trim. d. Trunk side upper trim. e. C-pillar trim. 2. Apply protective tape along the edge of the body and the quarter window glass. NOTE: For the areas of the sealant that are difficult ...

Power Steering Fluid Line Component Removal/Installation
NOTE: The following procedure is for replacement of the parts shown in the figure. Regarding replacement of the suction hose and return hose, refer to the electric power steering oil pump component removal/installation.. Power Steering Pipe Component Removal/Installation NOT ...

Restraints SST [Standard Deployment Control System]
49 H066 002 Deployment tool 49 D066 002 Adapter harness 49 L066 002 Adapter harness 49 B066 004 Adapter harness 49 N088 0A0 Fuel and Thermometer checker ...

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