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Mazda CX-5 Service & Repair Manual: Spark Plug Inspection [Skyactiv G 2.0]

Mazda CX-5 Service & Repair Manual / Electrical / Ignition / Spark Plug Inspection [Skyactiv G 2.0]

Specification

Plug Gap Inspection

CAUTION:

  1. To avoid possible damage to the tip, do not adjust the plug gap.

  2. To prevent damaging the tip, use a wire type plug gap gauge when inspecting the plug gap.

1. Measure the spark plug gap using a wire type plug gap gauge.

  1. If not within the standard specification, replace the spark plug.

Cleaning

CAUTION:

  1. Carbon may adhere to the tip of the spark plug during vehicle delivery or repeated short distance driving during the winter time. If there is any malfunction such as rough idling or start difficulty due to carbon adhesion causing plug fouling, burn off the carbon by performing no-load racing of the engine.

  2. When performing the no-load racing, apply the side brake and foot brake, move the shift lever to neutral (MTX), or the selector lever to P position (ATX) to prevent an accident and serious injury.

  3. To avoid possible damage to the spark plug tip, do not use a wire brush for cleaning.

NOTE:

  1. To avoid possible damage to the tip, use gasoline to clean the spark plugs after removing dirt.

  2. If the accelerator pedal is depressed continuously for a specified time, the engine speed may decrease to the idle speed. This is due to the PCM control operation, which prevents overheating, and it does not indicate a malfunction.

  3. Do not perform no-load racing at high engine speed continuously for 10 s or more

    .

1. If there is carbon adhering to the spark plug, perform no-load racing at 4,000 rpm

for 2 min

, 2 times

.

Visual Inspection

1. Inspect the following items:


Resistance Inspection

1. Measure the resistance of the spark plug using a tester as shown in the figure.


    Spark plug resistance [25°C {77 °F}]

  1. 3.0—7.5 kilohms

Ignition System [Skyactiv G 2.0]
Outline A direct ignition coil for independent ignition control has been adopted. An ignition coil built-into the ion sensor has been adopted. An iridium spark plug has been ado ...

Spark Plug Removal/Installation [Skyactiv G 2.0]
CAUTION: If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing. 1. Disconnect the negati ...

Other materials:

Hood Latch Switch
Purpose Detects the open/closed condition of the hood. Function The hood latch switch is utilized in the theft-deterrent system control. For the theft-deterrent system, refer to (see THEFT-DETERRENT SYSTEM.). Construction Built into the hood latch ...

Keyless Warning Alarm
Purpose The keyless warning alarm notifies the driver that the remote transmitter cannot be verified or the steering lock cannot be released. Function When the instrument cluster receives the keyless warning alarm request signal sent from the start stop unit via the CAN sig ...

Airflow Volume Control [Full Auto Air Conditioner]
Purpose The airflow volume control changes the airflow volume according to the vehicle environment. Function The airflow volume control changes the operation of the blower motor according to the operations of the airflow volume control dial or temperature control dial an ...

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