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Help!! wisdom reg. engine cuts out at high revs

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Old 13 June 2003, 10:48 PM
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Turbohot
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Red face

Has anyone come across the fault I have at the moment with my scooby 2000 awd Turbo? I took it out today and it cuts out under hard accelaration but carries on going. so, managed to get it home. I suspect i might have somthing to do with the fact that I had a dump valve fitted which was faulty and a k+n induction kit which is fine. So I put my standard plastic dump valve back on it 2 days ago and it was fine after that until today.Does anyone have any ideas or is a computer diagnostic job!.
Thanks.Turbohot (hopfully not turbo knackered )
Old 14 June 2003, 07:47 AM
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DreXeL
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Sounds like it's over-boosting and hitting fuel cut. Do you have a boost guage?
Old 14 June 2003, 11:09 AM
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Turbohot
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Unhappy

No mate.Do you think it will be a case of going for diagnostic?
Old 14 June 2003, 01:41 PM
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Turbohot
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Red face

hi again i have booked it in for diagnostic check £65 + vat
i have heard that if you disconect the batterey it will reset the icu will this sort out the problem? or shall i just let the garage sort it out it seems a lot of cash just to find out what the problem is!!.
Old 14 June 2003, 04:33 PM
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StickyMicky
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disconnect the battery for about an hour
see fi that cures it
mines disconected at the moment lol
ive just started running sum stronger doseage of octane booster and i want the ecu to learn it sharpish
Old 14 June 2003, 04:45 PM
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DreXeL
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Still sounds like it's over-boosting.

Do a search on Overboost for possible cures:

http://www.scoobynet.co.uk/bbs/search.asp
Old 14 June 2003, 06:43 PM
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Turbohot
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If I do disconnect the battery for an hr or so to in hope correct the fault,do you think it could f***k the immobiliser/alarm system up and then,even that might need re-setting?
Pls.suggest!

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Old 14 June 2003, 10:31 PM
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Turbohot
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Unhappy

Thanx Drexel! And,Stickymicky,I did disconnect the battery for about an hr and connected it back.Of course,no f**k up with the alarm/immobiliser etc but tell you what,prob still exists,mate.
Any more ideas,keep them coming pls!
Old 15 June 2003, 01:21 PM
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Leslie
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I agree on the overboosting and fuel cut. Wouldn't expect the ecu reset to do much for it in that respect. You wont know unless you fit a boost gauge though.

Les
Old 15 June 2003, 02:38 PM
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Turbohot
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thanks its seems it may be overboosting any idea how it can be fixed by us or a garage? and will it need diagnostic check.
thanks Turbohot.
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