lmcree Member Joined Mar 22, 2013 Posts 14 Jul 5, 2014 #1 I have about 124K - bought the vehicle with 48K - so I'm assuming the sensors have never been replaced.... Should I wait for a noticeable decrease in gas mileage or change them sooner?
I have about 124K - bought the vehicle with 48K - so I'm assuming the sensors have never been replaced.... Should I wait for a noticeable decrease in gas mileage or change them sooner?
KNBlazer Member Joined Feb 8, 2012 Posts 811 Jul 5, 2014 #2 lmcree said: I have about 124K - bought the vehicle with 48K - so I'm assuming the sensors have never been replaced.... Should I wait for a noticeable decrease in gas mileage or change them sooner? Click to expand... Change upstream now, use AcDelco only, best prices have been on Amazon.... when I replaced my 02 sensor I gained 1.5mpg...
lmcree said: I have about 124K - bought the vehicle with 48K - so I'm assuming the sensors have never been replaced.... Should I wait for a noticeable decrease in gas mileage or change them sooner? Click to expand... Change upstream now, use AcDelco only, best prices have been on Amazon.... when I replaced my 02 sensor I gained 1.5mpg...
RayVoy Member Joined Nov 20, 2011 Posts 939 Jul 5, 2014 #3 I change mine (the front one(s) when I change plugs.
