EricZ28/SS

I have a 2000 Camaro SS. I just recently put SLP lid, hookers 1 3/4 long tubes with y pipe and cutout. Exhaust is 2.5. the rest of the car is stock besides suspension. After installing parts the car hesitates of I go anything over half throttle too fast. If I floor it, it constantly backfires really fast. Keeps throwing o2 sensor codes, I eliminated rear o2s and replaced both front o2s. What can I do to correct this. Thank you in advanced

mrvedit

Make sure there are no exhaust leaks near the O2 sensors.
Are you sure that the new O2 sensors are the correct type?

Hopefully others will have more/better ideas.

Burken01

iTrader: (88)

what codes are you throwing?

List them

2xLS1

iTrader: (25)

Change the plugs. I see a lot of cracked plugs after header installs causing misfires, backfires, under load. Lots of misfires can cause O2 sensor stuck low codes.

eaglegoat

I'd be willing to bet a minimal sum that they are rear o2 related codes.

EricZ28/SS

I was throwing bank 2 sensor 1 and bank 2 sensor 2 codes saying bad heater and no activity. It was doing it for the drivers side but after replacing front o2 sensors only the bank 2 side throws codes. I eliminated the rear o2s now but I'm going to change the plugs and wires as soon as I get home from work. And double check any possible exhaust leaks

EricZ28/SS

I will also be installing my afr wideband this weekend as well to get a better idea of what's going on too.

EricZ28/SS

After plugs and wires the car runs great. Passenger plugs were drenched in fuel but all is good. Car runs great now. No o2 codes anymore