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Have a p0141, Should i defouler to fix??

QuinlanGTP

QuinlanGTP

New member
Have a p0141, Should i defouler the o2 senser to fix??

Would a p0141 code mean clogged cat?
 
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No, P0141 is the heater circuit of the oxygen sensors, not the sensor's readings. IIRC the heater circuit is the same for both 02s, so you might have a problem with the connectors, might have a blown fuse, or one of the heaters might be bad (new sensors)
http://engine-codes.com/p0141.html
 
Booba5185 said:
No, P0141 is the heater circuit of the oxygen sensors, not the sensor's readings. IIRC the heater circuit is the same for both 02s, so you might have a problem with the connectors, might have a blown fuse, or one of the heaters might be bad (new sensors)
http://engine-codes.com/p0141.html
Click to expand...

So youre saying that the heater circuit code pops on both sensors if there is a blown fuse or bad wiring only? I have a defouler and when I installed it, the CEL went off for a day or two, but then went back on since then due to bad wiring. I fixed the wiring and it still throws the heater code for both sensors. Maybe I have a blown fuse.
 
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