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Impreza turbo won't rev past 3k?HELP

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Old 12 January 2012, 04:36 PM
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coxy2011
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Default Impreza turbo won't rev past 3k?HELP

Hi all have a P reg Impreza turbo for some reason it will not rev past 3000rpm
Has anyone else experienced this before? would be grateful for some replies cheers.
Old 12 January 2012, 04:37 PM
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riiidaa
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limp mode?
Old 12 January 2012, 04:46 PM
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coxy2011
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What will be causing it to go into limp mode? Are there anythings I can check
Old 12 January 2012, 04:54 PM
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Jamee
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Has it thrown up a Check Engine light? Underneath your steering wheel, there will be 2 black male/female connectors. Connect them together to see if any error codes have been stored and let us know the pulses (How many long pulses, how many short pulses)
Old 14 January 2012, 02:37 PM
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coxy2011
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Well I've done check an got code 22 knock sensor can this just fail or is there another problem. Also how much are they an who do I get 1 off as my local places are no help at all
Old 14 January 2012, 02:42 PM
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yeah they fail alot. you would have to replace it to find out if there are any other problems but it could be just that
Old 14 January 2012, 07:21 PM
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coxy2011
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Well been out and removed knock sensor gave it a clean and refitted, resulting in cel light gone out and car will rev up fine. Thanks for advise peeps
Old 14 January 2012, 07:57 PM
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Originally Posted by coxy2011
Well been out and removed knock sensor gave it a clean and refitted, resulting in cel light gone out and car will rev up fine. Thanks for advise peeps
have you torqued it up right, if you over tighten them you can have further issues
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