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P0161 check engine light
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<blockquote data-quote="MTF" data-source="post: 1600223" data-attributes="member: 499"><p>Is it a permanent code or pending?</p><p>You may just need to do a battery reset, meaning disconnect the ground terminal from the battery for 15 to 20 minutes.</p><p></p><p>A permanent code requires a PCM reflash.</p><p>There may be a way too clear a permanent without a reflash, you're going have to research.</p><p>Some have been able to get it cleared by a battery disconnect, cross your fingers. LOL</p><p>Most of us have a Tuner so it's easy to reflash without having to go to the dealer.</p><p></p><p>But the code suggests an open circuit so you may have damaged the wire to the O2.</p><p>It's a very thin wire and easily broken, it only monitors resistance and milliamps @ 0.5 volts</p><p>The replacement wire isn't to hard or expensive to replace.</p></blockquote><p></p>
[QUOTE="MTF, post: 1600223, member: 499"] Is it a permanent code or pending? You may just need to do a battery reset, meaning disconnect the ground terminal from the battery for 15 to 20 minutes. A permanent code requires a PCM reflash. There may be a way too clear a permanent without a reflash, you're going have to research. Some have been able to get it cleared by a battery disconnect, cross your fingers. LOL Most of us have a Tuner so it's easy to reflash without having to go to the dealer. But the code suggests an open circuit so you may have damaged the wire to the O2. It's a very thin wire and easily broken, it only monitors resistance and milliamps @ 0.5 volts The replacement wire isn't to hard or expensive to replace. [/QUOTE]
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