Glow plugs changed but still start probs

[unclespevie]

Changed the glow plugs, ones came out had VW stamped on them, replaced with Bosch long life ones(£10 each).

Now with the cold mornings the heater light only stays on for about 1 second, start car and it struggles, seems like misfire, if i turn the key 2-3 times and start, its starts ok.....

is the relay on its way out or is that normal, can i test them whilst in the engine ?

kevin

[stonedagain]

Wait about 10 seconds after the light goes out before cranking. The glow plugs are still operating for a short time after the light has gone out.

[unclespevie]

cheers for that, will try it in the morning about 6am when i set off to work...

ta

kevin

[unclespevie]

well i waited another 10 seconds and started ok......but was not as cold as last week, will c how we go..

kevin

[chapster]

I don't know what car you have, but mine's a 1.9 TDi 100HP 2001, and when it's really cold ~2C the glowplug light stays on for ages and when it goes out, the car starts on the first revolution. After that, even a quick trip 500 yards to the local supermarket is enough for the glowplug light to only come on for a second (if that) when restarting, and again the car starts instantly.

[unclespevie]

2004 1.9tdi 130 AWX......

waited 10 seconds after light whent out after about 2 seconds been lit.....started as it should.....but i thought its supposed to stay on as long as required, not waite longer after its gone out......

could it be the relay ????.

is this the relay on side of drivers dash where the fuses are thats marked 202 as i read some where....

kevin

[unclespevie]

man it was cold this morning, so waited and i actually heard the relay switch off for the glow plugs.....was a good 10 secs for sure. did it twice and it started brill...

kevin