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General Information => Troubleshooting => Topic started by: 1slowvw on April 04, 2006, 01:55:32 pm

Title: Glow plugs not shutting off
Post by: 1slowvw on April 04, 2006, 01:55:32 pm

Hey guys just wondering what could cause this cars a 1995 golf 1.9TD. like the title siggest the plugs arent shutting off and my relay is getting really hot, light in the dash seems to blink on an off. Anyway I had herd of glow plugs not shutting off before so im sure someone out there can tell me whats causing this.
1SlowVW

Title: Glow plugs not shutting off
Post by: Justin on April 04, 2006, 02:35:14 pm

I would suspect your coolant temp sensor to the glow plug relay is either bad of disconnected some how via unpluged or broken wire.

Title: Glow plugs not shutting off
Post by: QuickTD on April 04, 2006, 08:34:46 pm

On the 1.9TD the glow plugs come on prior to starting on for an interval based on engine temperature, same as previous diesels. After the engine has started they come on again and do not shut off for 3 minutes or until the engine temp reaches about 70ºC, this feature is unique to the 1.9.

 I would suspect a problem if they never shut off. The blinking glow plug light might indicate a problem with the glow time control module, which is a double wide box located near the top of the fuse/relay panel. It controls all the glow plug functions including the dash light. The glow plug relay itself only switches the high current to the glow plugs.