merc9 wrote:
>
> Hi 1999 honda civic 1.4i just replaced throttle body with new
> sensors,flushed rad topped up again,start motor in morning sits at 1500
> rev,s comes down to 1100 then jumps up and down when fan kicks in goes
> down to 800 stop at junction it goes up and down between 1100 and 1500
> help required thanks.

The cooling system should have a bleed screw which you can open when the
engine's cool in order to get the air out. Here's a description of the
bleeding procedure using the '95-'97 Civic as an example.

http://media.honda.co.uk/car/owner/m...l/pdf/10-4.pdf

Eric