Car won't start

Michael Jelisavac

Asked by Jun 21, 2016 at 09:16 AM about the 2007 Audi Q7 4.2 Quattro

Question type: Maintenance & Repair

My Audi 2007 Q7 V8 FSI won't start. When I turn
the ignition the Reds turn on but the engine won't
start. When I go to start it, it makes a puff noise, no
clicking noise. Could you please help me find out
what the problem may be, oh one more thing, I've
notice water getting into the inside driver side floor
aswell. Thank you

2 Answers

Matt Mankinen

So does it crank at all? Could be a bad starter. Have you tried to pull any fault codes with a code reader?


Check the battery 12.6 volts, the terminals, clean tight, No corrosion? make sure all ground cables are Ok..not LOOSE or green. If cables appear good, they can look Ok and be BAD (high resistance) hvae a start circuit voltage drop test performed. Simple test.

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