Western Members - Fixed
View Full Version : Fixed
07-18-2010, 02:34 PM
07-18-2010, 02:56 PM
Try cleaning your air filter and throttle body. I used to get p420 and after cleaning no problem.
07-18-2010, 03:52 PM
i just had this code. it means your rear o2 sensor isnt reading right which means your cat could be goin bad. what i did was add a spacer to the o2 bung to space the o2 sensor away from the exhaust flow plus my buddy just tuned out my rear o2's. havent had that code since. if that doesnt solve it then you probably have a bad cat (if you still have cats)
07-18-2010, 06:08 PM
Sounds like a fuel pump. :) good luck
SUCK MY SS
07-18-2010, 09:31 PM
07-18-2010, 10:07 PM
07-20-2010, 01:57 AM
thanks for all the help, appreciate it. Im going to take care of the bad cat and then make sure the fuel pump is ok
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