RB5 problem

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Jun 25, 2009 | 03:02 PM

paddywack

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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

Jun 25, 2009 | 03:06 PM

myblackwrx

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From: Dorset

Does it start alright?
Does the idle fluctuate when started from cold?

Jun 25, 2009 | 03:07 PM

Boro

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From: Cornwall

Sounds electrical. Have you checked plug/leads, etc?

Jun 25, 2009 | 03:23 PM

Scooby Wez

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From: Sussex by the sea

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.