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Author Topic: Error - airmass sensor wiring (520)  (Read 761 times)

Rob Needham

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Error - airmass sensor wiring (520)
« on: 26 August 2008, 11:20 »
had the old vag-com on her last night! error 520 popped up (airmass sensor wiring b),

anyone ever had the same issue? basically the car wont rev past 5000rpm.
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Offline bored_Welsh_lad

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Re: Error - airmass sensor wiring (520)
« Reply #1 on: 27 August 2008, 09:48 »
Same old...

timing could be out a tooth
fuel relay could have gone
ecu relay could have gone
crank position sensor may have gone
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Offline saul79

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Re: Error - airmass sensor wiring (520)
« Reply #2 on: 27 August 2008, 18:48 »
what engine you got in it? Sometimes the wiring to the sensor rubs through
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mk3 golf 1.8t ,280mm front brakes rear disc conversion,coillies.

Offline lawson_gti

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Re: Error - airmass sensor wiring (520)
« Reply #3 on: 27 August 2008, 23:58 »
i have this problem as well!!! 2weeks ago it wouldnt pull an lik lost power after 4k revs now its pulling all the way 2 5k revs lik a dreams then lik dies!!! i no my sensor if f**ked as car runs pretty much the same with the sensor off!!! but took it apart an cleaned the terminals with a coton woll bud an sorta helped the idle an smoothness of the engine running but hasnt fixed the problem!!!
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