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Join Date: Aug 2005
Location: Michigan
Posts: 3,381
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O2 Sensor Unhooked Question
I installed a GHL CAT Bypass pipe and hooked up my O2 sensor. I removed the working O2 sensor from the old CAT and installed it in the GHL. So I was out driving today and the car was bucking like crazy at low RPM. Then is smoothed out around 3-4k RPM. So I unhooked the sensor and everything smoothed out. The car runs fantastic and feels very quick.
So my questions are: Can I leave it unhooked without ill effects? Or did the sensor go bad all of a sudden? Is there a way to test the old one before going out and spending a $100 bucks?
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Bill 997.2 |
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10-14-2006, 03:33 PM
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I'm with Bill
Join Date: Jun 2005
Location: Scottsville Va
Posts: 24,186
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The car will have to "relearn" it's new exhaust. It is also common for 02 sensors to fail after removal.
Get a scan tool that has Data stream, and see exactly what the car is doing.
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Electrical problems on a pick-up will do that to a guy- 1990C4S |
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10-14-2006, 03:37 PM
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Location: Michigan
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Can I run with it unhooked for a while till I get this one tested or replaced? That shouldn't cause any damage should it?
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Bill 997.2 |
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10-14-2006, 03:50 PM
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Location: Michigan
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Thanks for the reply Kurt. I didn't know that removing an O2 sensor can ruin it. It sure did, cause I just put a new one on and it works fine now.
Thanks! 
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Bill 997.2 |
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10-14-2006, 05:23 PM
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