Turbocharging System Troubleshooting; Attachment Of Hoses; Overboost Warning Buzzer; Operation Note - Mazda 626 MX-6 Workshop Manual

TROUBLESHOOTING
Check the condition of the wiring harness and connectors before checking sensors or switches.

OPERATION NOTE

1. Do not accelerate suddenly or operate at full throttle immediately after starting a cold engine. Allow
the engine to reach normal operating temperature before using full power.
2. Run the engine at idle for at least 30 seconds after heavy-load or high-speed driving before stopping.
3. If there is a sudden drop in power while driving, it is possible that there is a fault related to the tur­
bocharger. Before shutting the engine off, immediately reduce speed and drive at the lowest possi­
ble engine speed.
TURBOCHARGING SYSTEM

SERVICE NOTE

Attachment of Hoses

To prevent the hoses from becoming disconnected
due to boost pressure, be sure to attach them secure­
ly with the spring clamps.

Overboost Warning Buzzer

The warning buzzer indicates a possible fault of ei­
ther the waste gate, actuator, or solenoid valve (waste
gate). These components must be checked if the
buzzer sounds.
4B
86U04B-040
86U04B-041
4B-51