535d Running Fault any ideas
02-23-2009, 03:47 PM
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Hi guys I recently bought my 2005 535d and have a problem where it is held flat out say 130mph up it will sometimes cut the power be very flat and not change up a gear and just rev ?
It will work in manual box but the car is not full power still. Then I switch the engine off and back on and its all fine again any ideas ?
Thanks
Stu
It will work in manual box but the car is not full power still. Then I switch the engine off and back on and its all fine again any ideas ?
Thanks
Stu
02-24-2009, 05:16 AM
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Originally Posted by slk55stu' post='799758' date='Feb 23 2009, 07:47 PM
Hi guys I recently bought my 2005 535d and have a problem where it is held flat out say 130mph up it will sometimes cut the power be very flat and not change up a gear and just rev ?
It will work in manual box but the car is not full power still. Then I switch the engine off and back on and its all fine again any ideas ?
Thanks
Stu
It will work in manual box but the car is not full power still. Then I switch the engine off and back on and its all fine again any ideas ?
Thanks
Stu
02-25-2009, 05:47 AM
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Originally Posted by slk55stu' post='800187' date='Feb 24 2009, 10:16 AM
How about Cam Sensor or MAF ?? What you think are these common problems ?
Hi Guys
Got this fault code come up anyone have any ideas ?
428b Charge Air Pressure to high negative control device large turbo
02-25-2009, 08:07 AM
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Sounds like your bypass valve is sticking shut or partially closed. I have a diagram of how the turbos work I will see if I can post it you will see what I mean
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