Question about 1999 Nissan Quest
I have a 98 mercurry villager its coming with a code p0135 witch is bank 1 sensor 1 cuirut milfunction now i changed the 02 sensor i checked power and ground is good whats a possible causes. plz help
Posted on Aug 13, 2009
You have a broken wire at the connector for the 02 sensor. the brake may be inside the shielding.
Posted on Aug 14, 2008
P0135 is an Oxygen heater circuit malfunction. Bank 1 Sensor 1. That one is located in the front of the van near the engine mount. This is the "upstream" O2 sensor. It is probably bad. You can test the resistance of the heater to tell if it is bad. I dont know the exact resistance but most of the sensors I test that are bad will read "OL" or infinite. Keep in mind there are 4 wires, 2 of them are for the heater and the other 2 are for the O2 sensor signal to the PCM.
Posted on Jul 26, 2008
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Posted on Jan 02, 2017
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