Originally Posted by
voo2doo
Mine has a flat spot @2500rpm.It just hiccups and is then fine,but this happens in every gear. Is this is what yours is doing? If so the ECU is cream crackered and either needs a map or a new one so I have been told.
J

Thats COMPLETELY normal for the ST170, the ECU is fine its the rubbish map ford put on it. They all do that on a standard map