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P0135 error code - 4G63 Non-Turbo

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Martonator

Probationary Member
11
0
Nov 28, 2019
Bulgaria, Europe
Hello,so as you read the thread tittle i have a check engine light ON and on the scan it says P0135 error code which
in the description says HO2S-Heater Curcuit Conditions (O2 sensor ! ) and Location : Bank 1 Sensor 1 (does this mean the o2 sensor on the exhaust manifold because i have another one on the catalytic converter ??? )

So my main question is : Before i decide to change the o2 sensor , can you tell me whats the avarage voltage or resistance of the sensor heater element (of the o2 sensor) I will check it with multimeter.
Do you know whats the avarage voltage or resistance on the manual ?

My car has a 6-bolt naturally aspirated 4g63 with 139 bhp (two o2 sensors)
 
Yes you’re correct it’s the o2 sensor on the manifold.

heres a screen shot of the troubleshooting procedure. You can download the Service manual in the resources section of this site.

edit: that procedure is from the 1g service manual. We didn’t get the 4g63 nt in 2g cars in the US. I’m not sure if it’s in the 2g manual that’s on the site. Maybe a 2g guy could chime in on that.
 

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Thanks for the answer
I hope i get any other opinions about this error code..My car has already 170.000 kms on it (106.000 miles) I have never changed o2 sensor before
Is it time do it (according to the kms/miles my car has) ??
 
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