172 wont rev past 3k

[andrew95]

hi i got 172 and it wont rev past 3k and some lights have come on on the dash,does any one know wat this could be and how can i fix it.thanks

 

[Brian]

Welcome to the forum, andrew95!

 

[andrew95]

thank you

 

[The Fatty]

lambda sensor maybe (pre cat)?

 

[smokeybone]

why dont you just bring it over to me andrew and i will plug it in