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Engine stops while driving

Chris_C
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Chris_C Member

Chris_C

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did a quick search but didnt see anything related...

I was driving at around 70km/h coasting when the engine suddenly cut out without any indication of a problem what so ever.... So i coasted to the side of the road as quickly as possible. After giving everything a quick look over i tried cranking it over a few times with no luck, it was just acting as if the crank position sensor was acting up again. I let it sit for about 15 min and it fired up again.

I drove it the short way home and hooked up the durametric. No record of anthing...

So i let it idle for a bit, and again it shut off with no indication what so ever....

Currently i have been having an issue with the crank position sensor causing the ocassional starting issuse when the engine is hot - could that cause it to shut off while driving as well?

Also, after it cut out i noticed a tiptronic fault p0740... which was not there before... But is now recurring

Any thoughts on these new issues would be appreciated

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Loren Member

Loren

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I have seen that exact issue. When the sensor gets hot it open up and turns off the fuel as the DME thinks the engine is not running.

If you want the error code you need to take the reading with it hot and stopped.

This is most likely the CPS or a bad connection at the CPS.

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Chris_C Member

Chris_C

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I have seen that exact issue. When the sensor gets hot it open up and turns off the fuel as the DME thinks the engine is not running.

If you want the error code you need to take the reading with it hot and stopped.

This is most likely the CPS or a bad connection at the CPS.

Interesting, it does make sense - i will order it on monday and see what happens thanks!!

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  • 4 weeks later...
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Loren Member

Loren

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I had a similar problem with my 2003 C2, the engine would stop usually while idling at a stop light. It would always restart a few minutes later. It was a bad cam position sensor.

Do you mean "Cam position sensor" or "crankshaft position sensor"? Crank sensor makes sense as I have not seen a cam sensor cause the car to stop running..

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  • 1 year later...

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