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Intermittent starting problem

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September 13, 20196 yr

Hi.

Intermittently my Q7 tdi 3.0 does not start. Engine cranks for about 2 seconds and stops (no firing at all). It's not the starter motor as cranking speed is very good. There are no warning lights, and after struggling for few minutes, it does start eventually.

Any ideas will be appreciated.

2 weeks later...

September 22, 20196 yr

On 9/13/2019 at 3:31 AM, Markuza said:

Hi.

Intermittently my Q7 tdi 3.0 does not start. Engine cranks for about 2 seconds and stops (no firing at all). It's not the starter motor as cranking speed is very good. There are no warning lights, and after struggling for few minutes, it does start eventually.

Any ideas will be appreciated.

Hi did you get a result with this issue as I am experiencing the same?

1 month later...

October 28, 20196 yr

I had a simular issue and found replacing the ecu fixed the fault. But in now having new issues with the fuel pressure codes appearing. Hope this helps

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Engine / ECU to Injector wiring loom

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Intermittent starting problem

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Topics

Engine / ECU to Injector wiring loom

Are S5's notorious for not being serviced?

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Running boards 2024 black petrol standard model

C5 RS6 034 strut top mount

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Audi A1 coil packs

Central locking

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A% front suspension groan

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