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]
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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:

Generator Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: Remove and install all parts when the engine is cold, otherwise they can cause severe burns or serious injury. When the battery cables are connected, touching the vehicle body with generator terminal B will generate sparks. This can cause personal injury, fire, and ...

Up Switch Inspection [Fw6 A EL]
Continuity Inspection NOTE: The up switch is built into the selector lever component. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the console.. 4. Disconnect the selector lever component connector. 5. Verify that the continuity betwee ...

Replacing Rear Window Wiper Blade (5-Door)
When the wiper no longer cleans well, the blade is probably worn or cracked. Replace it. CAUTION To prevent damage to the wiper arm and other components, do not move the wiper by hand. Remove the cover ( With stopper type) Remove the stopper and raise the wi ...

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