Mazda 6 Service Manual: Foreword
Caution
- When the engine does not start or stalls and the following DTCs are not indicated, go to engine symptom troubleshooting.
Note
- When the immobilizer system is defective, the engine cannot be started.
- If engine condition is normal but light stays on, inspect for short circuit between security light. Repair or replace the wiring harness if necessary.
1. Turn the ignition switch to START position for 2 seconds,
then back to ON position.
2. Wait for 1 minute.
3. Verify the security light condition and read the DTC if indicated.
4. Verify the DTC with WDS or equivalent.
5. If the DTC is indicated, go to troubleshooting referring to the DTC table.
Dtc table
Note
Perform the following if the security light stays on:
- If gasoline engine stalls, go to symptom troubleshooting NO.11
ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK,
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Other materials:
Mazda 6 Service Manual: Exhaust system
EXHAUST SYSTEM INSPECTION
Start the engine and inspect each exhaust system component for exhaust gas
leakage.
If leakage is found, repair or replace as necessary.
EXHAUST SYSTEM REMOVAL/INSTALLATION
Warning
When the engine and exhaust system are hot, they can badly burn.
Turn off t ...
Mazda 6 Service Manual: Egr valve removal/installation
1. Disconnect the negative battery cable.
2. Disconnect the EGR valve connector.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Water Hose Removal Note
Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT.)
EGR Valve Removal Note
1. Re ...