I got this sensor off of ebay, here is the link; or you can go to their website I think. Well it is a universal and I dont notice any differences in them, It comes with a wiring chart to match up to our car, we have 2 black, grey and a white wires. and I think it has 2 whites, 1grey and 1black. After replacing it all of these codes went away:

P0031 (oxygen sensor 1, in bank 1, low voltage)
P0300 (PCM determined that multiple random misfires have occurred)
P0301 (PCM determined that multiple random misfires have occurred in Cylinder #1)
P0303 (PCM determined that multiple random misfires have occurred in Cylinder #3)
P0304 (PCM determined that multiple random misfires have occurred in Cylinder #4)

But now I check the codes and my car is in the red emissions status.
I dont know what to do!


http://cgi.ebay.com/ebaymotors/ws/eB...m=110074197839

 

got this sensor off of ebay, here is the link; or you can go to their website I think. Well it is a universal and I dont notice any differences in them, It comes with a wiring chart to match up to our car, we have 2 black, grey and a white wires. and I think it has 2 whites, 1grey and 1black. After replacing it all of these codes went away:

P0031 (oxygen sensor 1, in bank 1, low voltage)
P0300 (PCM determined that multiple random misfires have occurred)
P0301 (PCM determined that multiple random misfires have occurred in Cylinder #1)
P0303 (PCM determined that multiple random misfires have occurred in Cylinder #3)
P0304 (PCM determined that multiple random misfires have occurred in Cylinder #4)

But now I check the codes and my car is in the red emissions status.
I dont know what to do!


http://cgi.ebay.com/ebaymotors/ws/eB...m=110074197839

 

I followed the universal instructions and matched up the colors. I'm getting 2 codes back. P2239 and P2252. Let me know if something new comes up as i will do the same.

Peace.

 

limp home mode is pre saved settings from the ECU. as far as what ever you did id say just take it to the dealer. or if you have a scanner check your STFT and LTFT check the A/f sensor and O2 and MAF readings try to narrow it down

 

The problem is the o2 sensor. I'm sure of it. The OBDII codes state that the wiring for the sensor is mixed up somehow. Since the sensor is universal, it came with universal wiring diagrams by color, which i matched up.

I just found a bosch installation guide (OE sensor) and going to use a multimeter to test out the voltages myself using the specs of voltages from Bosch and try to match them up that way.

Here's the official Bosch guide : http://www.boschautoparts.com/NR/rdo...sorInstall.pdf

 

correct me if im wrong but the one u bought off ebay is a regular o2 sensor....and the sensors on ur car are 2 diff ones...the one on the spipe is o2 sensor...the one on ur header is a/f sensor....which is about $150 more or less from toyota.