Quote:
Originally Posted by zeeman335
I recently got mine HPFP changed too with the software upgrade. Now everytime I unlock my car and open the door to get in i hear a mechanical noise by the driver rear side...Anyone know what that is or what it does???
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Nothing to worry about, what you're hearing is the low pressure pump priming the fuel system. It should only make that noise for a couple of seconds. Completely normal and part of the update.