Engine running on after ign off

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Christoff
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Engine running on after ign off

Post by Christoff » Tue Dec 11, 2012 5:43 pm

Rarely happens but sometimes when I turn the key to turn off the engine, it will turn off then immediately restart and then immediately die again.

My theory is high carbon build up on valves or combustion chamber which gets hot enough to restart the engine. Plugs look ok.

It can't possibly be spark can it with the ignition off. That's why it dies again so quickly because there's no spark to keep it running

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Re: Engine running on after ign off

Post by ScottieJ » Tue Dec 11, 2012 6:36 pm

I've had that a few times since fitting the SU carb, I just ignore it :lol:
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Re: Engine running on after ign off

Post by Edweird » Tue Dec 11, 2012 6:48 pm

It's probably due to the lack of a fuel cut off. Mine's done it once or twice. I cut the ignition and the revs drop then it fires and pinks like a b****** 2 or 3 times then gives up and stops. Similar noise to what you hear in the movies when old American V8s are turned off.
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Re: Engine running on after ign off

Post by Tramp » Tue Dec 11, 2012 9:17 pm

Mine used to do it all the time Standard carb & weber, I read somewhere it can happen when it an engine runs lean but if anything mine ran rich

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Re: Engine running on after ign off

Post by Darrell » Tue Dec 11, 2012 9:25 pm

When it runs on like this you have a problem :lol:


Click Here for Youtube Video

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Re: Engine running on after ign off

Post by Darrell » Tue Dec 11, 2012 9:29 pm

Porkie telling git ;)
He through it on the floor when running away.








Can't say I blame him really :P
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Re: Engine running on after ign off

Post by dan_2k_uk » Tue Dec 11, 2012 10:06 pm

dont even need to watch that video.

you a fan of "first start after" videos as well then Darrell? :D
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Re: Engine running on after ign off

Post by Edweird » Wed Dec 12, 2012 10:06 am

dan_2k_uk wrote:dont even need to watch that video.

you a fan of "first start after" videos as well then Darrell? :D
Hehehe! I love those kinds of videos. I've seen that video before.
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Re: Engine running on after ign off

Post by mk1joe » Wed Dec 12, 2012 6:50 pm

that video is quality lol. what did he say it sucked out of his hands?

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Re: Engine running on after ign off

Post by dazerede » Thu Dec 13, 2012 9:18 am

Haha wat a vid I don't blame that kid for running away :hahaha:
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