rpm gauge oscillate after ms 2 installation
 

After installation of MS2 ecu (from Reverant) my rpm gauge oscillate or not running.
RPM speed gauge in tuner studio running without any problem all the time.

When I connected cable harness back to stock ecu, rpm gauge running well.
I exchange ignition coils, spark plugs, but without any success.
Have you got any sugestion for fix it?

Check your email please.