throwing 12 and 43. yes i know what they are. my question is a buddy of mine told me taht manual ls dont have egr valves. is he correct? also, 43 is fuel supply. what could be causeing that. i have a new pump with stock injectors and a aem fpr. thanks, any help will work.

 

what ecu is this???

 

its a PR4

 

code 43 is commonly the o2 sensor.

 

well after ******* around with some ****, got 43 to go away, but still have 12, anyone know help thanks