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02 sensor heater fault

   
Old Sep 8, 2008 | 10:58 AM
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Default 02 sensor heater fault
I have a 2000 montero sport 2 wd. I have 3 similar fault codes p0135,p0155 and p0161.all are squawking heater circuit malfunctions. I cant find a wiring diagram for this car.The sensors seem to have good power and ground and the heaters seem to ring properly 4 to 7 ohms any help will be greatly appreciated
 
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Old Sep 8, 2008 | 03:39 PM
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Default RE: 02 sensor heater fault
Check the fuses for the heater o2 sensors.
 
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Old Sep 8, 2008 | 05:43 PM
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Default RE: 02 sensor heater fault
Any idea whare they are and how they are marked? I cant find a manual much less a wiring diagram for this montero.
 
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Old Sep 8, 2008 | 06:13 PM
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Default RE: 02 sensor heater fault
Check them all.
 
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Old Sep 8, 2008 | 09:05 PM
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Default RE: 02 sensor heater fault
Thanks for the help i will check them tommorrow.
 
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