Auxiliary Heater Issue (Petrol)

[daviesbike]

I wonder if anyone can help..

My W12 has a Wabaco Auxiliary heater and its worked perfect always untill i tried it today because i thought its good to clear it out every so offten..

It was miss firing and poping and i could smell the unburnt fuel, dose anyone know what kind of firing method it uses .. IE is it a glow plug or spark plug ?

and can they be changed ... im a bit of a novice because ive never had Auxiliary heating before .. least of all on a Petrol Car







Thats the unit under the driverside Airbox