Replacement of the fuel fi;ter is listed at 1.3 hours and the list price of filter is $32.63.
Yes, inaccurate O2 sensor can cause higher fuel consumption.
Others items that you can check are :
1. Idling system, throttle body, IAC and other clogging of air passage can affect the fuel economy.
2. Valve clearance. Improper clearance is a possible cause.
Thursday, December 24th, 2009 AT 9:15 AM