Technical heater plug light ????????

[jonesem1]

hi just joined the forum today.... as you guessed i already have a problem with my fia pmsl....
any way i have a ulysse 19jtd
2 months ago my hubby changed the heater plugs... arsehole of a job apparently and now my heater plug lights up intermitently when i am driving???? any ideas anyone ??? before my hubby changes the heater plugs a bloody again????
any help greatly appreciated
many thnks emma
oh by the way just started running it on bio fuel just incase this is part of the problem

 

[jonesem1]

thanks for all the help!!!!!!!!!!!!!

 

[ANDY1965]

Hi, you dont say if it has a dpf on it, as if you do the glow plug lite will come on to burn the soot out of it, when it does a regen?, if it doesnt then I would check to see if theres a loose connection on the plugs, hope that helps