Re: BMW 320D 150BHP 2003 (53) - Lack of power # Archived Message
Posted by Tony Sefton on August 14, 2009, 7:15 pm, in reply to "Re: BMW 320D 150BHP 2003 (53) - Lack of power #"
Hi. I have the Same Type Vehicle, With a Similar problem, Apart from mine will struggle to pull away from a standing start and will not accelerate for half a minute or so, it then gradually picks up speed espescially if you back off the throttle. as soon as it has some turbo boost it drives fine untill you slow down again. my airflow meter part no ended in 504 and i replaced it with a 529, it is still gutless, i have smoke tested it and found no problem, the turbo is capable of developing boost but it lags slightly behind desired boost, i tried 2 x airflow sensor on it and scoped the digital signal which changes as the car is revved up, The front Cat has already been knocked out and we test drove it with the exhaust loose in case it had a blockage. The Car has now gone as the customer needed it back but we left the airflow sensor disconnected and it now drives almost perfectly. ??????? apart from leaving the management light on. what is causing the problem, i have absolutely no idea. possibly ecu. ??? the only fault codes present related to low boost and air flow meter. i reflashed the ecu with later software and it made absolutely no improvement whatsover. Tony.
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Message Thread:
- BMW 320D 150BHP 2003 (53) - Lack of power # - Linds Hanson August 4, 2009, 10:36 am
- Re: BMW 320D 150BHP - Sean Mc Gettigan August 4, 2009, 12:17 pm
- Re: BMW 320D 150BHP 2003 (53) - Lack of power # - Linsay Hanson August 5, 2009, 4:37 pm
- Re: BMW 320D 150BHP 2003 (53) - Lack of power # - ian slattery August 5, 2009, 10:59 pm
- Re: BMW 320D 150BHP 2003 (53) - Lack of power # - Linds Hanson August 6, 2009, 4:41 pm
- Re: BMW 320D 150BHP 2003 (53) - Lack of power # - Linds Hanson August 11, 2009, 5:25 pm
- Re: BMW 320D 150BHP 2003 (53) - Lack of power # - Pete Davies August 12, 2009, 10:23 pm
- Re: BMW 320D 150BHP 2003 (53) - Lack of power # - Vince Mosley August 15, 2009, 5:54 pm
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