Thread: O2 sensor check
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Old 09-28-2010, 05:57 AM   #6
extanker
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Join Date: Apr 2010
Location: trenton nj
Posts: 449
check your throttle body and idle air controll valve for coking [crud]. if it failed a smog test i would think it will force a CEL . an exhaust leak can fool the 02 sensors making them think the car is lean so they richen the mix. look at injector on time [mil/sec] ....you will need normal specs to compare
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