Plz help

[adamv81]

i just put Headers street legal cat and pro muffler i got off ebay the problem iam having is the car bucks randomly while driving and the 1st o2 sensor keeps goin off i have a stock intake for now does anyone know why this happens? and will an after market intake help? ty

 

[Mysteryemotionz]

Did you reset your ecu after installation? Did you use new gaskets and donuts? Have you checked for exhaust leaks?

Sent from my LG-E379 running ICSyndicate 2.0

 

[086head]

This may not make a difference but model and motor and do you have any mods? Check for leaks and have you fiddled with any of the wires during this whole process?

 

[adamv81]

its a 99 civic ex 4cyl i reset the esu 2 times and there are no leaks