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Help! Audi A4 Emissions Light g450 Exhaust pressure sensor 1 - signal too low - defec

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Old 08-03-2013, 07:44 PM
azzy28's Avatar
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Default Help! Audi A4 Emissions Light g450 Exhaust pressure sensor 1 - signal too low - defec

Hi All

Would appreciate any comments or experience you've had regarding this.

I have a 2009 Audi A4 2.0 tdi 170 DPF

The Emissions Light has come on, I have got it put on the computer and come up with the following fault:

PO472. g450 Exhaust pressure sensor 1 - signal too low - defective

Has this happened to anyone? any ideas of what the fix could be?

Many Thanks
Az
 
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