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Old 25 June 2009, 03:02 PM
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paddywack
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Default RB5 problem

hi guys,any ideas why my rb5 prodrive has started to run really bad between 2000-3000 rpm,its fine when its warmed up or under boost but its a pain first thing in traffic,its runnin on s/unleaded.....help
Old 25 June 2009, 03:06 PM
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myblackwrx
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Does it start alright?
Does the idle fluctuate when started from cold?
Old 25 June 2009, 03:07 PM
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Boro
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Sounds electrical. Have you checked plug/leads, etc?
Old 25 June 2009, 03:23 PM
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Scooby Wez
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My one did this and it was the maf sensor £90ish from Subaru.If you are unlucky like me i had the lamda go just after which gives the same sort of problem £165 from Subaru.
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