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Mazda 2002 626 Specifications Page 105

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F8
ENGINE TUNE-UP
End Of Sie
IGNITION TIMING INSPECTION
A6E390802000W01
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 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.
End Of Sie
IDLE SPEED INSPECTION
A6E390802000W02
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 (L8 engine model)
Idle speed (LF engine MTX model)
ENGINE TUNE-UP
Condition
Engine speed (rpm)*
1
No load 650750
Electrical loads*
2
ON
650750
P/S ON 700800
A/C ON and refrigerant
pressure switch (middle) OFF
700800
A/C ON and refrigerant
pressure switch (middle) ON
700800
Condition
Engine speed (rpm)*
1
No load 600700
Electrical loads*
2
ON
650750
P/S ON 650750
A/C ON and refrigerant
pressure switch (middle) OFF
700800
A/C ON and refrigerant
pressure switch (middle) ON
700800
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