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 High revs on start up

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Dermottdog
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PostSubject: High revs on start up   11th December 2014, 21:03

Hi people, long time no post.

I have a small, intermittent problem. My 11 plate FJCW has recently over reved on cold start. The first time it happened, about 3 weeks, it started and reved to about 3k. The revs stayed that high for about 3-4 secs. Believe me, it's a life time!! It did it again this morning, this time reving to 2.5 k for 2-3 secs. Normally, it starts up at about 1500-1800 revs before quickly dropping to 1000 and then 750. The throttle pedal is clear of any mats etc so any accelerator problems seem remote. Any suggestions?

Regards - Rob
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PostSubject: Re: High revs on start up   11th December 2014, 21:59

I would check all vacuum pipes also the throttle body flap inside. Just a guess.
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Dermottdog
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PostSubject: Re: High revs on start up   11th December 2014, 22:09

Gazza wrote:
I would check all vacuum pipes also the throttle body flap inside. Just a guess.

Thanks. There is a lady on Mini2.com with the same issue - hers revs to 3k on cold start up. I've sent her a PM to see if it got resolved.
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Dermottdog
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PostSubject: Re: High revs on start up   12th December 2014, 19:22

Update: Fan now staying on after car started. Happened when I pulled the car out of the garage this morning (only moved it across the road in preparation for the wife to drive to work). Just happened as I've put the car away tonight. It has never shown this sort of behaviour before. There's some sort of temp sensor thing going on I think. Any input would be welcome - Rob.
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PostSubject: Re: High revs on start up   12th December 2014, 21:16

Give Will a shout at TWG, very helpful and always willing to help Smile

I assume the warranty is out?

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Dermottdog
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PostSubject: Re: High revs on start up   12th December 2014, 21:26

Davyboy wrote:
Give Will a shout at TWG, very helpful and always willing to help Smile

I assume the warranty is out?

Yes Dave, June or July this year. Rolling Eyes

I have used Will in the past to check/adjust my 4 wheel tracking. He's good but a fair distance away. I will give him a call. He seemed to know his stuff and may have had the fault before.

I'm also on good terms with Cooper Sevenoaks. I will call them as well. Thanks for your reply. Razz
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Dermottdog
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PostSubject: Re: High revs on start up   20th December 2014, 21:54

update
Car now back from garage. It turned out to be the temp sensor in the thermostat housing. It now has a new sensor and although it's early days because it was only picked up this morning, the car seems to be as it should.
On a side note, I couldn't fault the service given to me by Cooper, Sevenoaks. Many on here and other forums refer to main agents as 'Main Stealers'. I have nothing but admiration for Cooper. The total bill went it arrived? £175.34. They contacted Mini UK and got me a goodwill reduction. thumbs up
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