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Flat Spot at 5000rpm

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Old 03 April 2002, 01:18 PM
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Mark_TM
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WRX MY2002 2000 miles
I have started to notice at hesitation at 5000rpm, is this normal??
Old 03 April 2002, 02:10 PM
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fast bloke
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I used to get this on an MY98. K&N 57i sorted the problem
Old 03 April 2002, 03:04 PM
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yoza
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Wot fuel do u use?,me MYO1 was the same but changed from super unleaded to shell optimax not as noticable now although it is still there
Old 03 April 2002, 03:45 PM
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The Zohan
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Does it happen in all gear, my MY99 used to in 3-5th, ind kit, decat centre section and decent b/box sorted it out a treat!

Paul
Old 03 April 2002, 05:24 PM
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Richard Askew
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Maybe the guys in Technical can help better...
Old 03 April 2002, 05:25 PM
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Brynweb
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I had that and turned off my air conditioning. Lovely and smooth now!
Old 03 April 2002, 06:12 PM
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Mark_TM
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I am using ordinary unleaded as I had thought it was ok on UK spec cars. Now I am thinking I should be using Super unleaded as it may cure the hesitation?

Cheers
Mark
Old 03 April 2002, 07:00 PM
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john banks
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It will probably make it a lot less noticeable or cure it.
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