Mazda 2: Engine Tune-up

Engine Tune-up Preparation

NOTE:

1. Verify the following:

2. Warm up the engine to normal operating temperature.

  1. Increase the engine speed to 2,500-3,000 rpm until the cooling fan starts running.
  2. When the cooling fan starts running, release the accelerator pedal and wait until the cooling fan stops running.

3. Turn off all electrical loads.

4. Connect the M-MDS to the DLC-2.

Idle Speed Inspection

NOTE:

1. Complete the engine tune-up preparation. (See Engine Tune-up Preparation).

2. Verify that the idle speed (M-MDS: RPM PID) is within the specification.

Idle speed (ATX: P, N position , MTX: Neutral position)

Ignition Timing Inspection

NOTE:

1. Complete the engine tune-up preparation. (See Engine Tune-up Preparation).

2. Verify the ignition timing (M-MDS: SPARKADV) using the PID/data monitor function of the M-MDS.

Ignition timing

READ NEXT:

 Drive Belt

DRIVE BELT INSPECTION NOTE: Drive belt deflection/tension inspection is not necessary because of the use of the drive belt auto tensioner. 1. Remove the splash shield (RH). 2. Verify that the d

 Valve Clearance

VALVE CLEARANCE INSPECTION 1. Disconnect the negative battery cable. 2. Remove the splash shield (RH). (See DRIVE BELT REMOVAL/INSTALLATION). 3. Remove the fresh-air duct and the air cleaner as a si

 Variable Valve Timing Actuator

VARIABLE VALVE TIMING ACTUATOR INSPECTION CAUTION: The variable valve timing actuator cannot be disassembled since it is a precision unit. 1. Disconnect the negative battery cable. 2. Remove the

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 Refrigerant Charging

CAUTION: Do not exceed the specification when charging the system with refrigerant. Doing so will decrease the efficiency of the air conditioner or damage the refrigeration cycle parts. Charging Recycled R-134a Refrigerant 1. Connect an R-134a recovery/recycling/recharging device to the veh

 Towing/Tiedown Hooks

CAUTION The towing eyelet should be used in an emergency (to get the vehicle out of a ditch or a snow bank, for example). When using the towing eyelets, always pull the lead or chain in a straight direction with respect to the eyelet. Never apply a sideways force. NOTE When tow

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