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Thread: Pulsating sound from exhaust

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  1. Pulsating sound from exhaust 
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    Hi all,

    This is my first Touareg and I've got a V6 Altitude on an 06 plate and i've had the Exhaust - Workshop warning light come on and noticed a "pulsating" sound from the back box, i'ts doing this when driving AND idling ? is this more than likely the back box itself ? I've replace numerous exhausts when they've failed at MOT (i.e being told which bit is faulty) but not needed to diagnose it myself ?

    Thanks
     
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  2. Re: Pulsating sound from exhaust 
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    At that age there is no way it needs a new exhaust, modern VAG exhausts seem to last forever, but you need to get it code read to see why the engine warning light is on, it is possibly a failed injector which is common on these engines.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

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  3. Re: Pulsating sound from exhaust 
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    Could a failed injector cause the pulsating sound from the rear then ?
    I've got a cheap ODB reader and used Dash Command and it's given me code P2112 Throttle Actuator Control System - Stuck Closed ? Could it be that the exhaust is fine (as you've said) but it's throttling incorrectly in which case that would account for the "pulsating sound" possibly ?
     
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  4. Re: Pulsating sound from exhaust 
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    Difficult to tell without a proper code read and some time spent looking at measuring block info such as injector balances.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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  5. Re: Pulsating sound from exhaust 
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    Right, thanks
     
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  6. Re: Pulsating sound from exhaust 
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    Just to close this...........i opened the throttle body and found the plastic cogs worn.....i got a repair kit off ebay and fitted it and the sound is now gone....throttle response seems better again as well.
     
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