On Fri, 26 May 2006 21:53:58 +0000 (UTC), "TeGGeR®"
<tegger@tegger.c0m> wrote:

>"merc9" <rickyhamill@aol.com> wrote in
>news:7bcea274c034331823e4d13c18c86e3c@localhost.t alkaboutautos.com:
>
>> 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.
>>
>
>
>Fast idle valve coolant passages are blocked. Or you've got an air leak
>somewhere else.


I had surging idle....warm or cold.....turned out the intake gasket
had slipped out of place and allowed massive vacume leak.