Fast Idle Speed

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Fast Idle Speed

Post by Red Dog on Thu May 14, 2015 5:35 pm

My 2001 Hijet has a really fast tick-over, especially when cold. Is there any adjustment?

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Re: Fast Idle Speed

Post by Swarfing on Thu May 14, 2015 7:45 pm

It should do that normally and reduce as it gets warmer.

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Re: Fast Idle Speed

Post by Red Dog on Fri May 15, 2015 1:02 pm

I thought that was the case but this just seems a bit too high for comfort.

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Re: Fast Idle Speed

Post by Swarfing on Fri May 15, 2015 7:38 pm

It should be 850 +- 50 RPM at first switch on (Acording to the label on my passenger door).

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Re: Fast Idle Speed

Post by Red Dog on Fri May 15, 2015 10:50 pm

Mine is much higher than that.

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Re: Fast Idle Speed

Post by Swarfing on Fri May 15, 2015 11:24 pm

Should have said after warm up

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Re: Fast Idle Speed

Post by Red Dog on Sat May 16, 2015 9:30 am

Still too fast, even when hot.

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Re: Fast Idle Speed

Post by Swarfing on Sat May 16, 2015 6:08 pm

What's it like once warm, is there any adjustment on the throttle cable?

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Re: Fast Idle Speed

Post by Logi on Sat May 16, 2015 7:47 pm

There's a wee pipe that if blocked doesn't let warm coolant through to switch off the over fuelling hence higher revs.
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Re: Fast Idle Speed

Post by Swarfing on Sat May 16, 2015 8:31 pm

If the wee pipe is blocked then it could be gall stones?

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Re: Fast Idle Speed

Post by Red Dog on Sun May 17, 2015 7:11 pm

It's not the throttle cable. That was the first thing I checked. It does slow down to some extent as it warms up. It seems to do everything it should but at twice the engine speed.

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Re: Fast Idle Speed

Post by chinfuk on Sun Jan 24, 2016 12:47 pm

Where is the wee pipe, mine is doing that too after a head gasket replacement, did you get yours fixed red dog
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