Mazda 6 2002, Руководство по ремонту

Страница: 109 / 1248

ENGINE TUNE-UP
F–9
F
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.
End Of Sie
IDLE MIXTURE INSPECTION
A6E390802000W03
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 F–8 IDLE SPEED INSPECTION .)
(See F–8 IGNITION TIMING INSPECTION .)
4. Insert an exhaust gas analyzer to the tailpipe.
5. Verify that the CO and HC concentrations are within the regulation.
End Of Sie
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
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