Preheat system — general information A glow plug is screwed into the combustion chamber of each cylinder. Spark plugs are heated by electric current before starting, during starting and for some...
Removing, checking and installing glow plugs If the ignition has just been switched on or the engine has just been running, the spark plug may still be very hot! Removing Engines 1.7 l SOHC 1. Disconnect...