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  #1  
Old 10-03-2011, 08:23 PM
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gtirobbie gtirobbie is offline
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Default Hi-boost
I've just taken my scooby for abit of a blast along the bypass and decided to set it on hi-boost, when accelerating it boosted very hard as it should but in 3rd gear it lacked on abit of power at about 5000rpm then done the same thing again in 4th gear, it doesn't do this on low boost, anyone know what would cause this? Thanks
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Old 10-03-2011, 09:03 PM
chris1977 chris1977 is offline
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are you are trying to run to much boost it could ce setting of the boost cut by the sounds of it
Last edited by chris1977; 10-03-2011 at 09:22 PM.
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  #3  
Old 10-03-2011, 09:14 PM
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gtirobbie gtirobbie is offline
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Oh really? It was fine before though? It's running at 1.1bar hi boost
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  #4  
Old 10-03-2011, 10:05 PM
Whiteone Whiteone is offline
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Could be down to fuel? Is your car mapped for 97 or 99ron? Might be as simple as bad fuel but to be fair I don't know much about anything really so best to just ignore me probably.
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Old 10-03-2011, 10:21 PM
midlife2 midlife2 is offline
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Who mapped it?
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  #6  
Old 10-03-2011, 10:38 PM
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gtirobbie gtirobbie is offline
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Havnt a clue? Apparently it's been chipped to run on 97/99 fuel which I always put in, I never noticed it do it before but I hardly ever run it on hi boost, it doesn't seem to do it in 2nd?
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  #7  
Old 10-03-2011, 10:50 PM
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Scott.T Scott.T is offline
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What year is the car.
If 1994-1996 sounds like coil pack failure.
Weak spark is being blown out by the higher boost.

thats if it's just a miss

if you have to peal your face off the steering wheel, it will be fuel cut / boost cut protection.

1.1bar is v close to the fuel cut limit onthe earlier cars.
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  #8  
Old 10-03-2011, 10:56 PM
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gtirobbie gtirobbie is offline
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Yeah it's a 94, coil packs were done fairly recently, it doesn't loose loads of power just has a bit of a brief flat spot if that makes sense?
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