TD100 flashing glow plug light

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TD100 flashing glow plug light

G

graham

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anyone got a bravo manual to hand?
on TD100 the glowplug light flashes for 45 seconds and goes out, no running or starting probs. Anyone know what it means? My manual is no more.....
Cheers
 
It's a diagnostic feature. It's bad if it keeps flashing for longer i think...
 
Hello Graham,

On VW's and other cars this used to mean failure of the glow plug system, i.e the fuse for the glow plugs had blown, or the plugs were disconnected. Not sure about the TD100, but the plug light is driven by the ECU. If it starts OK, then the plugs and fuse are prob OK, but you could still check the fuse under the cover near the battery. other candidates for problems are the relay, and the ECU engine temp sensor. A diagnostic might show up something. Does the injector symbol light (MIL) go out as normal ?

Owen..
 
Cheers for the reply people.

I know that it indicates a fault but as it starts ok and you can hear the relay click when the glow plugs are warmed up, I wondered if anyone had the handbook to hand as it tells you in there what the flashing indicates. Mine got nailed by my nepthew!
 
thats pretty much what the handbook says about it flashing. I'm not sure that you should hear the relay click straight away, as on my TD100 the light goes out, but the ECU or relay keeps the plugs on for a bit longer after startup to help cold combustion. thats why you hear the rev's pick up after a while at idle as the load comes off the alternator.. does this happen with yours ?. If nothing obvious is wrong, a diagnostic is probably next step..

Owen.
 
it means one of your glow plugs has either failed or is on the way out - it will generally start fine on three and makes no difference when running.
not ideal though as eventually they will all fail .
 
as above

happened on my TD100 Brava, one glow plug failed bout year ago, started fine on three as it aint particular cold at the mo but its worth getting done before winter gets back round
 

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