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saph cos holding back really bad. WHY?

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Old Mar 3, 2010 | 09:55 AM
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From: Devon
Default saph cos holding back really bad. WHY?

any ideas on why the car is holding back so violently i was going up a hill put my foot down and the car threw me forward, backfired, then cut out manged to bump it again then i couldnt even go above 2k rpm anyone have any ideas why it would do that?
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Old Mar 3, 2010 | 09:57 AM
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Is it over boosting ? is the pipe on going to the map sensor ?
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Old Mar 3, 2010 | 10:12 AM
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Originally Posted by carlo
Is it over boosting ? is the pipe on going to the map sensor ?
pipe is on the map sensor and as far as i know the boost has'nt been messed with, should be set as it always has been. and i cant find out what it's boosting now due to it holding back so much.it was 14psi
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Old Mar 3, 2010 | 11:05 AM
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Much fuel was in the car? was it really low when going up the hill?
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Old Mar 3, 2010 | 11:30 AM
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when your in nutural does it do this?


if so, phase sensor
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Old Mar 3, 2010 | 02:06 PM
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cant access the video on this computer i'll have a look when im at home, it idles below 1k
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Old Mar 3, 2010 | 06:26 PM
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possible air leak on the inlet side, my last one did this to me and baffled the fcuk outa me!! was fine then all of a sudden would do what u said, changed the plenum cover gasket and was fine after!!
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Old Mar 3, 2010 | 10:16 PM
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Originally Posted by Toe Knee
possible air leak on the inlet side, my last one did this to me and baffled the fcuk outa me!! was fine then all of a sudden would do what u said, changed the plenum cover gasket and was fine after!!
i'll check that tomorrow, something i forgot to mention is that it's struggling to start, sometimes it takes 30 / 40 seconds to fire up then it's lumpy. could that be phase sensor?
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Old Mar 4, 2010 | 06:54 AM
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any other info guys?
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Old Mar 4, 2010 | 07:34 AM
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Crank or phase sensor, i'd check those first and work from there.
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