Re: BMW X5 3.0 TD - Excess smoke, code 0501 EGR negative control deviation # Archived Message
Posted by keith b on September 30, 2009, 4:00 pm, in reply to "Re: BMW X5 3.0 TD - Excess smoke, code 0501 EGR negative control deviation #"
Thanks for your input dave ,which equipment are you using for your tests?,ive stumbled on the fault,i believe,whilst removing maf sensor to check for debris/contamination it became obvious the last "fitter" to replace air filter,which is an difficult job,got it jammed up against maf sensor partially covering the aperture ,i assume the maf sensor thinks the engine is running considerably faster than actual ordered new filter and will post after roadtest
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