Mazda 6 manuals

Mazda 6 Service Manual: Engine tune-up

IGNITION TIMING INSPECTION

Note

1. Turn off the electrical loads.

2. Warm up the engine as follows.

(1) Start the engine.

(2) Maintain the engine speed at approx. 3,000 rpm

until the cooling fans start to operate.

(3) Release the accelerator pedal.

(4) Wait until the cooling fans stop.

3. Verify that the ignition timing (WDS: SPARKADV PID) is within the specification using WDS or equivalent.

Ignition timing
Approx. BTDC 10 degree

4. Verify that ingestion timing advances when the engine speed increases gradually.

IDLE SPEED INSPECTION

Note

1. Turn off the electrical loads.

2. Warm up the engine as follows.

(1) Start the engine.

(2) Maintain the engine speed at approx. 3,000 rpm

until the cooling fans start to operate.

(3) Release the accelerator pedal.

(4) Wait until the cooling fans stop.

3. Verify that the idle speed (WDS: RPM PID) is within the specification using WDS or equivalent.

Idle speed (L8 engine model)


Idle speed (LF engine MTX model)


Idle speed (LF engine ATX model)


Idle speed (L3 engine model)


*1 : Excludes temporary idle speed drop just after the electrical loads are turned on.

*2 : Blower motor is operating at high speed. Headlight switch is turned on. Rear window defroster switch is turned on. Cooling fans are operating.

IDLE MIXTURE INSPECTION

1. Turn off the electrical loads.

2. Warm up the engine as follows.

(1) Start the engine.

(2) Maintain the engine speed at approx. 3,000 rpm

until the cooling fans start to operate.

(3) Release the accelerator pedal.

(4) Wait until the cooling fans stop.

3. Verify that the idle speed and ignition timing are within the specification. (See IDLE SPEED INSPECTION.) (See IGNITION TIMING INSPECTION.)

4. Insert an exhaust gas analyzer to the tailpipe.

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

Location index
INTAKE-AIR SYSTEM FUEL SYSTEM Engine Room Side Fuel tank side EMISSION SYSTEM Engine room side CONTROL SYSTEM ...

Intake-air system
...

Other materials:

Mazda 6 Service Manual: Pcm removal/installation
Note For replace the PCM, Setup the WDS and perform the PCM configuration. (See PCM CONFIGURATION.) 1. Disconnect the negative battery cable. 2. For R.H.D, perform the following procedures. (1) Remove the front side trim (left-side). (2) Partially peel back the flower covering. 3 ...

Mazda 6 Service Manual: Operating Tips for Audio System
WARNING Always adjust the audio while the vehicle is stopped: Do not adjust the audio control switches while driving the vehicle. Adjusting the audio while driving the vehicle is dangerous as it could distract your attention from the vehicle operation which could lead to a serious accident. E ...

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