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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » VSS Fault code - No speed signal or low voltage » Post Reply

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Gregor

posted on 14th Sep 06 at 11:01

must be the clocks then because i can see the cable moving whilst driving the car


Dave A

posted on 14th Sep 06 at 10:54

its got to be the cable / sender or clocks then. without the clocks working the vss wont give the ecu a speed signal


Gregor

posted on 14th Sep 06 at 10:52

Not at all


RobHayes

posted on 14th Sep 06 at 10:52

does your speedo work now?


Gregor

posted on 14th Sep 06 at 10:50

So the vss is infact inside the clocks ?


Dave A

posted on 14th Sep 06 at 10:42

it will cause it to cut out as the cars ecu tells the icv (idle control valve) when to open and close when you dip the clutch when you pull up at a junction etc (let the revs die basicly). the ecu uses a signal that is sent by the vss (vehicle speed senser) to determine vehicle speed vs engine speed to tell the icv how far and how long to open for. the vss generates its signal in the back of the clocks. its driven via the speedo cable. no vss= no signal to the icv= no air on idle= car cuts out


Dave A

posted on 14th Sep 06 at 10:38

quote:
Originally posted by csweatherston
speed sensor.....engine rpm.(not road speed)
either crank or cam sensor


you are guessing again....... it has fcuk all to do with the cam or crank sensor:|


Gregor

posted on 14th Sep 06 at 10:25

The casing on what E-Tec ?


csweatherston

posted on 13th Sep 06 at 23:27

speed sensor.....engine rpm.(not road speed)
either crank or cam sensor


Corsa E-Tec

posted on 13th Sep 06 at 21:17

sure the casing on it has not snapped, mine did this.


Gregor

posted on 13th Sep 06 at 20:12

Can this cause the car to run poorly at all ?

My speedo cable is definetly working as I have seen the bit inside the connector moving whilst driving.

So could it be the clocks ?

These were fine 5 weeks ago in my old engine !