diagnose code P0420. AFTER SOME TIME ON THE ROAD, RPM GOES DOWN, SPEED GOES DOWN AND WILL NOT GO UP IF I PUSH THE ACELERATOR. I TURN IT OFF FOR 20 TO 30 MIN. AND WILL RUN FINE AGAIN FOR SOME TIME AND WILL FAIL AGAIN. I SUSPECT FUEL FILTER OR FUEL PUMP. THANKS FOR YOUR HELP.
i have a saturn vue 2005 4 cil. 2.2 but can not find fuel filter to replace. on 2005 Saturn Vue
by fuel filter in Hidalgo, TX on July 08, 2013
2 answers 1 comment
ANSWER by globalhelper on July 08, 2013
most likely not serviceable, it may be with the fuel pump in the fuel tank
COMMENT by fuel filter on July 08, 2013
I AM NOW IN THE PROCESS TO REPLACE THE FUEL PUMP, BUT WHAT ABOUT THE IN LINE FUEL FILTER. I CAN NOT FIND. THANKS A LOT FOR YOUR HELP.
ANSWER by ziptie12 on July 08, 2013
Have converter checked--P0420? .....might be partially clogged or broken internally causing exhaust restriction when warmed up -------