Audi S2 3b rough idle

[brelum1]

Hello,

i have a problem with my s2, its running bad on idle and givs fault code 00537 adaptation limit exceeded.

Anyone had these problem before?

[ristokru]

My problem was ISV. Check this.

[nick]

Same here,disconected the idle valve and immidiately it setteled,cleaned the valve and idles perfect now.
Also check the vacuum hoses behind the valve,i found 2 who were brittle and probably leaking.

[brelum1]

Hello,

i found the problem, it was bad o-rings on the injectors, when i changed this the var was fine.