Mazda 2: Symptom Diagnostic Index
Mazda 2 2007-2014 Service Manual / Engine / Symptom Diagnostic Index
- Confirm trouble symptom using the following diagnostic index, then go to appropriate troubleshooting chart.
Diagnostic Index
CONTROL SYSTEM DEVICE AND CONTROL RELATIONSHIP CHART
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Intermittent Concern Troubleshooting
Vibration Method
1. If malfunction occurs or becomes worse while driving on a rough road or
when engine is
vibrating, perform the steps below.
NOTE:
There are several reasons vehicle or engine vibr
Engine Control System Operation Inspection
Main Relay Operation Inspection
1. Verify that the main relay clicks when the ignition switch is turned to
the ON position, then off.
If there is no operation sound, inspect the following:
Main r
Engine System
ENGINE LOCATION INDEX
Engine
(See ENGINE TUNE-UP)
(See COMPRESSION INSPECTION)
(See ENGINE REMOVAL/INSTALLATION)
(See ENGINE DISASSEMBLY/ASSEMBLY)
Drive belt
(See DRIVE BELT INSPE
SEE MORE:
Air Fuel Ratio (A/F) Sensor
AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION
WARNING:
A hot engine and exhaust system can cause severe burns. Turn off the
engine and wait
until they are cool before removing the exhaust system.
1. Disconnect the negative battery cable.
2. Remove the air cleaner cover. (See INTAKE-AIR SYS
Engine Coolant
Inspecting Coolant Level
WARNING
Do not use a match or live fl ame in the
engine compartment. DO NOT ADD
COOLANT WHEN THE ENGINE IS
HOT:
A hot engine is dangerous. If the
engine has been running, parts of the
engine compartment can become very
hot. You could be burned. Carefully
inspect th
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