hi guys..again me..when we was start the car,rpm is normally.(850-900 rpm)..110 miles up the road and we dont have a idle problem..Today we took a ride and we stopped..İdle is 1800 rpm..We provide gas..but rpm is not fixed..the problem is going to stop when I run, and does not always..Performance is very good but sometimes idle is very high..what must we do plsss help.

Throttle body cleaned
Egr valve cleaned
maf cleaned
iac cleaned..

 

It the throttle linkage binding?