rev counter preblem!

[inpassing]

hi all. have my car lowered and i banged over a speed bump last week at about 30mph, ever since it seems my rev counter has gon 'out of sinc' it s out by 10-15k rpm. only does it some times tho.

any ideas??

 

[inpassing]

p.s my serv + abs +esp lights some times come on now.

possible abs ring causing these problems?

 

[Sanders]

Abs ring, abs sensor, brake pedal switch or steering angle sensor

 

[inpassing]

Abs ring, abs sensor, brake pedal switch or steering angle sensor

would this affect the rev counter?

 

[Sanders]

Unsure tbh ,sorry not much help

 

[inpassing]

no 1 got any ideas??