New clutch now going into limp mode

[Mobbs69]

Hi all a quick question just had a stage 4 clutch and flywheel fitted and when I give it a blast it starts popping then goes into limp mode but it was fine before the clutch was fitted any ideas

 

[Mobbs69]

Any ideas would be appreciated thanks

 

[Mobbs69]

Hi guy's just been to the garage and had it plugged in and its saying o2 sensor and a misfire but it was fine until I had the clutch fitted has anyone had this before