[ACruel]

The last year trying to fix the idle speed. On the hot engine - 1000 rpm (cold start - 1800...2000 rpm). Engine B5 1.5 8V (1997).
For the year were installed new parts: MAP-sensor, O2-sensor, TPS, Idle speed valve, Full Ignition System, Сoolant temperature sensor (2 pcs), Air temperature sensor, Thermostat, all filters is new.
Services can not find a problem, they say "everything is OK".
Fuel rate - 12-14 L/100km on the city.
Help please!!

 

[japakar]

Any vacuum leaks?

 

[braveheart88]

try cleaning Idle

 

[ron1004]

try cleaning Idle

Did you mean ISC (Idle Speed Control valve) ?

Often referred to as IAC (Idle Air Control valve).