F1–22
OUTLINE, ENGINE TUNE-UP
SUPPLEMENTAL SERVICE INFORMATION
A6E390218881206
• The following changes and/or additions have been made since publication of the Mazda6 Workshop Manual
(1621-10-98E).
Idle speed
• Adjustment procedure has been modified.
Fuel tank
• Removal/installation procedure has been modified.
Fuel pump unit
• Removal/installation procedure has been modified.
Quick release connector (fuel tank side, transfer hose part)
• Removal/installation procedure has been added.
Exhaust system
• Removal/installation procedure has been modified.
PCM
• Inspection procedure has been modified.
On-board diagnostic
• Inspection procedure has been modified.
Troubleshooting
• Inspection procedure has been modified.
End Of Sie
IDLE SPEED INSPECTION (4WD)
A6E390802000201
Note
• Ignition timing is not adjustable.
• Ignition timing verification requires WDS or equivalent.
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
*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.
End Of Sie
OUTLINE
ENGINE TUNE-UP
Condition
Engine speed (rpm)*
1
No load 650—750
Electrical loads*
2
ON
650—750
P/S ON 650—750
A/C ON and refrigerant
pressure switch (middle) OFF
650—750
A/C ON and refrigerant
pressure switch (middle) ON
700—800
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