O2 Q's
06-12-2007, 01:35 AM
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O2 Q's well sometimes my engine light comes on and i took it and had it scanned and its said an o2 was bad but honestly i cant feel any changed has happend and i can unplugg them and nothing is happinin maybe they have always been bad but the car has ran a 11.70 at 125 with me drivin has been 11.20 other owner but i race it all over the streets and i dunno what to think havnt wanted to buy new ones but whats going on????/ it idles and runs great i guess 
06-12-2007, 04:56 AM
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If you plan on driving it on the street much you should change them out. If it is just a track car don't worry about it as the O2's are not used at WOT. If you do replace them go with the stock AC Delco's.