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 Poor starting from cold

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Stu400
Tanabuso
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Join date : 2016-12-20

PostSubject: Poor starting from cold   Tue Jun 26, 2018 9:40 am

Hi All.

My GRiSO has developed a cold starting problem. it is reluctant to catch, and I have to keep blipping the throttle to prevent it stalling. Once warmed up it seems fine.

Any ideas? it's due a service soon but it happened all of a sudden a few weeks ago, it's just done it every day on this weekend's trip to France.

Cheers

Stu
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Semper
Squinternotto
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PostSubject: Re: Poor starting from cold   Tue Jun 26, 2018 10:49 am

You in a higher altitude?
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Stu400
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PostSubject: Re: Poor starting from cold   Tue Jun 26, 2018 11:06 am

No, not at all. 1st happened in Wales, then my home, then coastal France.
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sidrat
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PostSubject: Re: Poor starting from cold   Tue Jun 26, 2018 11:53 pm

Do you have a standard map?
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sidrat
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PostSubject: Re: Poor starting from cold   Tue Jun 26, 2018 11:54 pm

or stepper motor needs a clean
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Stu400
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PostSubject: Re: Poor starting from cold   Wed Jun 27, 2018 12:26 am

Yeah, was wondering about the stepper motor. I think i’ve stopped hearing it. Anyone point me in the right direction?
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beetle
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PostSubject: Re: Poor starting from cold   Wed Jun 27, 2018 1:35 am

Turn the key switch on. After the pump primes, wait 10 seconds then turn key off again. You should hear the stepper whirring.


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Stu400
Tanabuso
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PostSubject: Re: Poor starting from cold   Wed Jun 27, 2018 2:24 pm

Will do this weekend when I get home. Where is it?
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Stu400
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PostSubject: Re: Poor starting from cold   Wed Jun 27, 2018 2:26 pm

The stepper motor, that is. not home. Although I'm so rarely home now
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Pete Roper
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PostSubject: Re: Poor starting from cold   Wed Jun 27, 2018 3:00 pm

Stepper lives between the throttlebodies and has hoses going to the airbox and throttlebodies themselves.
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