Vauxhall Workshop Service and Repair Manuals > Astra H > J Engine and Engine Aggregates | Fuel Injection Systems | Denso DEC | Repair Instructions | Sheathed Glow Plugs, Remove and Install

Replace oxygen sensor > < Replace pre-heating system control unit

Sheathed Glow Plugs, Remove and Install

Note: Use EN-48558 to disconnect the wiring harness plug

1.	see illustration of engine management system

J Engine and Engine Aggregates
Fuel Injection Systems
Denso DEC / Repair Instructions
Sheathed Glow Plugs, Remove and Install

Replace oxygen sensor > < Replace pre-heating system control unit