Rosie Posted August 31, 2011 Report Posted August 31, 2011 hi I had a problem with my tdi 99 Gal,with the idle increasing from 800rpm to 1100rpm for no apparent reason.Borrowed neighbours diagnostic machine and twp codes have come up.C 490 and C583.The problem is with have no manual with the machine to decipher the codes .Can anyone help Many Thanks Quote
turk90210 Posted August 31, 2011 Report Posted August 31, 2011 hi Rosie well sorry to say but the two codes you have given are nothing like what were use to seeing from either EOBD or vag codes. My best guess would be they are paticular to the diagnostic code reader you used so I would find out what make it is and have a look if they have a web site you can go on to try and decipher Quote
zorgman Posted September 2, 2011 Report Posted September 2, 2011 has to be vw spec for reading car obd wont work, k line if i think on Quote
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