[Wildedog]

i got a exhaust for christmas. a couple days after my check engine light came on and the rpms wouldnt go over 3k. the next day it was fine. and again today the rpms wont go over 3k. any advice?

 

[LeShadow]

Get the Check engine code...

 

[guitarstrummin63]

Sounds like your car went into Limp mode. Definitely get the check engine code.

 

[stockey]

ECU acting up maybe?

 

[zeoswj]

Check the o2 sensors, bet a wire come off...