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#1
08-08-2003, 06:12 PM
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check engine test readings....meaning??
My check engine light is on in my 96 Explorer. I did the diagnostic test and found the following results......
1. PO133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1) 2. PO141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) Ok,,,,,what does this mean? Is this something I can fix myself? Anywhere online that would explain this to me? Do I have to take it to the shop to be fixed? Gotta have this taken care of to pass inspection. Any help would be appreciated......thanks! Last edited by schid; 08-10-2003 at 12:20 AM. 
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#2
08-10-2003, 08:14 AM
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The heater circuit of that oxygen sensor does not work either there is a wiring problem or a defective oxygen sensor. As such the reading is affected and sets the code. Replace the oxygen sensor and make sure it is well grounded on the exhaust (tight).
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NOTHING LIKE AN OLD CAR.
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