2004 Honda Civic Ex 1 7l Automatic About 144 444miles On O2 Sensor Air

2004 HONDA CIVIC
144,444 MILES
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Ok, so i have a 2004 honda civic EX 1.7L automatic, with about 144,444miles on it. my o2 sensor (air to fuel) sensor has been out for aproximitly 6 months, the only reason i have not changed it was because it was a $150 sensor. now, my car smells like its running rich now and it shakes when i start it, but the shaking goes away when you moving, its only at idle. i just ran engine diagnostics and it says i have a misfire on cylinder 1. i just had my sparkpulgs replaced about 30,000 miles ago, so i dont think its that, my question is, could the o2 sensor have caused this
Oct 16, 2012 at 7:05 PM
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KHLOW2008
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I don't think so and the coil pack should be the one to look at. Try swapping with cylinder 2 to see if the misfiring migrates.
Oct 16, 2012 at 7:14 PM
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