View Single Post
      12-21-2012, 12:39 PM   #5
Dr Dave
Zummerzet Zyder Drinker!
Dr Dave's Avatar
Drives: '06 330D Le Mans Blue
Join Date: May 2009
Location: Somerset

Posts: 5,541
iTrader: (3)

Garage List
Originally Posted by creepy coupe View Post
Yes they basically help warm the fuel when coolant temperature is below 30 degrees
Not totally correct; the glow plugs on a modern direct injection CI engine aid the smooth running and more importantly the exhaust emissions during a cold start. Truck engines (again, all DI engines) don't have glow plugs.
Dr Dave is offline   United Kingdom
Reply With Quote