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 Post subject: Steady throttle fluctuations
PostPosted: Wed May 18, 2016 1:30 pm 
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Joined: Tue Apr 29, 2014 4:48 am
Posts: 946
On steady throttle the rpm fluctuates. Check the video
Any idea why is that? and what causes it? Any troubleshooting steps

https://youtu.be/BmhwZIx5f7o

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 Post subject: Re: Steady throttle fluctuations
PostPosted: Wed May 18, 2016 2:54 pm 
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Joined: Sat Jul 06, 2013 12:55 pm
Posts: 3297
Location: NI
if it's nothing silly in the throttle maps then it's just hunting. Check your AFR's and see if they are moving around as well.

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 Post subject: Re: Steady throttle fluctuations
PostPosted: Wed May 18, 2016 3:54 pm 
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Joined: Thu Dec 18, 2014 10:31 pm
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Location: oregon
in the vid the AFRs look steady at idle and hunt I'm guessing that's neutral holding rpms the AFR fluctuates between 13 - 17 with the rpms. Does it have an aftermarket pressure valve?

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 Post subject: Re: Steady throttle fluctuations
PostPosted: Wed May 18, 2016 5:37 pm 
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I dont think its the throttle map
Yes the AFR is moving as well.
Yes I am on aftermarket RE-circulated Valve.

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 Post subject: Re: Steady throttle fluctuations
PostPosted: Thu May 19, 2016 10:50 am 
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would a small log help?

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