Mazda 3 manuals

Mazda 3 Service Manual: Engine Tune Up [Skyactiv G 2.0]

Mazda 3 Service Manual / Engine / General / Engine Tune Up [Skyactiv G 2.0]

Engine Tune-up Preparation

NOTE:

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


2. Shift the selector lever (ATX) or shift lever (MTX) to the following position:

NOTE:

3. Run the engine speed at a constant 2,500 to 3,000 rpm

and warm up the engine (engine coolant temperature: 80 °C {176 °F}

or more, oil temperature: 60 °C {140 °F}

or more).

4. Turn off all electrical loads with the engine idling.

5. If the cooling fan is operating, wait until is stops.

Idle Speed Inspection

NOTE:

1. Complete the engine tune-up preparation..

2. Verify that the idle speed (M-MDS PID: RPM) is within the specification using the PID/data monitor function of the M-MDS..

Ignition Timing Inspection

NOTE:

1. Complete the engine tune-up preparation..

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

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

Idle Mixture Inspection

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

2. Insert an exhaust gas analyzer into the tailpipe.

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

Idle-up Speed Control Inspection

NOTE:

1. Complete the engine tune-up preparation..

2. Verify that the idle speed according to each load (M-MDS PID: RPM) is within the specification using the PID/data monitor function of the M-MDS (except idle speed decrease after applying load)..

Engine Tune Up [Mzr 2.3 Disi Turbo]
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 ...

Non Return Valve Inspection [Mzr 2.0, Mzr 2.5]
WARNING: Fuel is very flammable liquid. If fuel spills or leaks from the pressurized fuel system, it will cause serious injury or death and facility breakage. Fuel can also irritate skin ...

Other materials:

Liftgate Upper Trim Removal/Installation
1. Detach tab while pulling the liftgate upper trim in the direction of the arrow (1) shown in the figure, then detach clips and pin while pulling in the direction of the arrow (2). 2. Detach tab while pulling the liftgate upper trim in the direction of the arrow (3) shown in the figure, ...

Body And Accessories SST
49 L067 001 Reflector 49 L067 002 Tripod 49 L067 003 Plum-bob 49 L067 006 Plum-bob — — ...

Drive Belt Auto Tensioner Inspection [Mzr 2.3 Disi Turbo]
1. Remove the aerodynamic under cover No.2 and splash shield as a single unit.. 2. Remove the drive belt.. 3. Verify that the drive belt auto tensioner moves smoothly in the operational direction. Replace the drive belt auto tensioner if necessary.. 4. Rotate the drive belt ...

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