[V6-12v] Car not starting

[James Whitehouse]

You're quite right. I had mis-read the original e-mail and thought it was
asking whether the cam-position sensor and hall sensor are one and the same,
which they are. The crank-position sensor is, you are correct, entirely
separate.


On 2/2/05 2:21 am, "Clive Young" <cyoung1661 at rogers.com> wrote:

> Glad to hear things are cleared up but I have just one thing to add. In Audi
> terms the hall sensor and crank position sensor are NOT the same thing.
> Iknow, I know, the crank is a hall effect sensor !
>   In much literature I have read  ( because I have lived this problem )
> the crank sensor is located just behind the oil filter area and watches for
> TDC of the crank. The "hall sensor" or sometimes called the cam position
> sensor is located on the back of the drivers side ( or left side of the
> engine when sitting in the drivers seat for those in the UK !:-0 ) cam.
> inside a housing. A bad Camposition sensor will not cause the car to stop
> running , but it will certainly cause an intermittent and then permanent no
> start. !
> 
> In general i think you have to crank for 30 seconds continuous before a
> code is set on a no start condition but perhaps someone can verify that. In
> any case don't think it would have pulled up  anything for a bad pump .
> 
> How did you verify a bad pump by the way ?