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 ziptie12 , July 08, 2013
Have converter checked--P0420? .....might be partially clogged or broken internally causing exhaust restriction when warmed up -------
ANSWER by globalhelper , July 08, 2013
most likely not serviceable, it may be with the fuel pump in the fuel tank
COMMENT by fuel filter , 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.