Please help! We changed fuel filter in our 07 Audi Q7 and now it won't start. It sounds like it will start when you turn on the ignition but it won't kick over.

Melissa Pevy

Asked by Aug 29, 2015 at 06:08 PM about the 2007 Audi Q7 3.6 Quattro Premium

Question type: Maintenance & Repair

4 Answers


Did you install the fuel filter going in the right direction ? You can install it backwards and not get fuel flow.

Melissa Pevy

Yes it's installed correctly.

Did you prime the fuel system? When you do the fuel pump you are draining the fuel lines, so once you've swapped the filter you need to cycle the key multiple times before trying to start it.


Try spraying some throttle body cleaner or starting fluid into the intake and see if it starts.

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