Hello all! I have been doing some searching on this site and did find some answers. But before I order parts and do the fixes, I just want to get some opinions. '05 max sl with 65k and only have a nismo cai. I am planning on getting an exhaust but the other day, SES appeared! and I went to autozone to get it checked.

These are the codes I got... i was like
P1148 - Closed Loop Control (Bank 1)
P1168 - Closed Loop Control (Bank 2)

P0037 - Heated Oxygen Sensor 2 Heater Low Voltage (Bank 1)
P0057 - Heated Oxygen Sensor 2 Heater High Voltage (Bank 1)

A/F SENSOR HEATER
1031 - Air fuel ratio (A/F) sensor 1 heater control circuit low (Bank 1)
1051 - Air fuel ratio (A/F) sensor 1 heater control circuit low (Bank 2)


Do I have to change all 3 sensors? And how bad would it be to drive around with this SES on (its been 3 weeks since). Any help would really be appreciated! Thanks in advance.

 

First clean you MAF sensor, disconnect the battery for about 5 minutes to reset the ECU, make sure your gas cap is on correctly. If SES light comes back on, recheck codes soonest, should be your real problem, others problems may be strays from the first!

 

05 w/65k miles...could it be the dreaded clogged precat?

 

Thanks Chern, I tried this but it didn't work.

Could be the clogged precats, I will have to check this out. Is there an easiest way you would recommend? Thanks.

 

why dont you try goto smog shops , they usually have scan tools . im not sure how much they are charging , but at least u they can tell u what the sensors are doing ..

 

Thanks. I'm actually gonna take it to the stealership and see if its an emissions problem cuz of the 70k emissions warranty. Let's hope that goes well...and cheap!