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Information overload!!p0328,O2 sen,fuel mi.
Ok,the machine 02 xterra SE S/C 135,000.Purchased used.Took a trip
recently and averaged 13.5mpg highway.Last year I went to Virginia and averaged 19mpg.Looks like tune up has been done withen last 20k.Plugs look decent and wires too.Replaced fuel filter last summer.Installed new tires(OE size)a month ago.No SES lights on,but do have the p0328 k/s code.Have read alot of threads about 02 sensors taking out k/s and vise versa.Would k/s effect fuel mileage?Would O2 effect k/s?With the current mileage on the vehicle I would like to replace the two upstream o2s,or should I replace all four?Is the k/s located under center of intake like naturally aspirated engines?Should I try the air/fuel relearn procedure?Would a sticky thermostat also effect fuel mileage by keeping it in closed loop?I also notice when pulling a hill,hard accel,with sunroof open,there is a bad co2 smell or partially plugged cat?Is this normal for s/c equiped vehicles? Thank you,Fullbore |
#2
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Lots of more questions. Will be back on another time.
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fuel, information, overloadp0328, sen |
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