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Old 12-06-2011, 08:54 AM   #1
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Default Just a little advice please

I got an old kyosho spider nitro car and have been trying to start it today. When i try to start the engine, it starts and runs for the duration that the glow ignitor is on for, also after its started and died then it wont start again. it also idles to high, does the high speed needle affect idle at all? I brought a Hpi starter kit and have charged the glow igniter overnight, so thats not the problem. Could it be the glow plug is duff or could it be that im trying to start it in 6 degrees Celcius and i'm not leaving the ignitor on for long enough for it to warm up?
Cheers peoples
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Old 12-07-2011, 08:52 AM   #2
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Old 12-07-2011, 11:35 AM   #3
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Engine problems are so tough to diagnose on a forum. I'll assume fuel is ok and there's no air leaks.

Ok, first thing. You said it will run when the igniter is on? So if you remove it will die? If so that's a bad plug. The filament is weak and can't retain heat on it's own. You shouldn't need to leave the igniter on the plug. The plug will only get so hot but not any hotter due to the igniter being attached. In your case all it was doing was continually heating a weak filament. Get a new plug, preferably a hot one.

I personally haven't had any issues starting cold motors in 6 degree or below temps. But if you don't have the ability to pre-heat it just before starting I would recommend keeping the head wrapped with something to retain as much room warmth before attempting to fire it up outside. It certainly won't hurt.

It may also seem like your needle settings are off. Incidentally, yes, both low and high speed needles will have an effect on idle. Close both needles fully and re-open both 2.5 turns. Try again and see how that goes. This should give you a good baseline to tune from if it fires up. If it doesn't fire up there may be other issues at hand.

Good luck sir and report back.
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