hi every one hope some one can help me out on this one.

i have just fitted a st/st maifold and a decat to my 2gen neon r/t. sounds great and gose fine but after doing about 30miles my engine light came on and now wont go of.

i have had a look and as far as i can see everythhink seems to be ok. any forts i think it could be some think to do with the oxygen sencor or heat sensor.

please help even if its just i fort