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Judder on P1

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Old 05 July 2005, 10:38 AM
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p1stew
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Unhappy Judder on P1

i have a P1 which has done about 60k ( engine rebuilt under wararnty ay 30k), which is suffering from a severe judder under hard acceration ( foot flat to floor ) in 4th and 5th gear from about 3500 rpm. I have tried in plugs and leads anybody any ideas?

Help much appreciated as do not want to go through engine rebuild experience again !!
Old 05 July 2005, 04:29 PM
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Triple X
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Have you got a way of monitoring your boost?
Sounds like you could have an overboost situation leading to fuel cut.
Old 05 July 2005, 05:46 PM
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p1stew
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Originally Posted by Triple X
Have you got a way of monitoring your boost?
Sounds like you could have an overboost situation leading to fuel cut.
no. engine remapped by TSL though. I'm waiting for a new air flow sensor coming on friday to see whether that cures the problem
Old 05 July 2005, 06:29 PM
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Originally Posted by p1stew
no. engine remapped by TSL though. I'm waiting for a new air flow sensor coming on friday to see whether that cures the problem
How is the car idling mate?

If you do suspect the MAF, drive the car off boost till it's sorted as a precaution!

NS04
Old 06 July 2005, 10:15 AM
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p1stew
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Originally Posted by New_scooby_04
How is the car idling mate?

If you do suspect the MAF, drive the car off boost till it's sorted as a precaution!

NS04
I have had Maf sensor changed by TSL. problem only occurs in 4th & 5th, apart from that cars running well
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