Answer
Apr 19, 2024 - 10:15 AM
Hi there,
The trouble code P0141 points to a bad oxygen sensor, bank 1, sensor 2. It indicates a problem with the heater circuit of engine bank 1’s downstream O2 sensor. The trouble code P0305 means that the powertrain control module (PCM) has counted enough misfire events on cylinder 5 to store the misfire code for that cylinder. For more details about the two trouble codes (P0141 & P0305), click our CarParts resource online blog links 1 and 2, after clicking our self-help Auto Repair 101 general link. I hope this helps!
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