P0171. I CAN, T FIND ANY VACUUM LEAKS AND THE VEHICLE HAS MULTIPLE OXYGEN SENSORS. FUEL
ECONOMY SEEMS TO HAVE DECREASED A BIT.
SHOULD I REPLACE THE OXYGEN SENSORS AND IF SO, WHICH ONES? THANK YOU
Friday, June 25th, 2010 AT 1:31 PM
LVMARK
- MEMBER
- 2001 GMC SONOMA
- 6 CYL
- 2WD
- AUTOMATIC
- 109,000 MILES
MY SERVICE ENGINE SOON LIGHT COMES ON OCCASIONALLY AND HAS STORED THE CODE
P0171. I CAN, T FIND ANY VACUUM LEAKS AND THE VEHICLE HAS MULTIPLE OXYGEN SENSORS. FUEL
ECONOMY SEEMS TO HAVE DECREASED A BIT.
SHOULD I REPLACE THE OXYGEN SENSORS AND IF SO, WHICH ONES? THANK YOU
P0171. I CAN, T FIND ANY VACUUM LEAKS AND THE VEHICLE HAS MULTIPLE OXYGEN SENSORS. FUEL
ECONOMY SEEMS TO HAVE DECREASED A BIT.
SHOULD I REPLACE THE OXYGEN SENSORS AND IF SO, WHICH ONES? THANK YOU
