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  1. J

    2015 1.8L LT Making Me Slam My Head Against the Wall

    Figure it out. I just have the P0420. Already replaced the CAT and Both O2s.
  2. J

    2015 SONIC CODE P0420

    What is the PN? Mine "looks ok" but I have the 1.8L without Flex Fuel. Not sure what the PN is 95129305, 95129307, or 38759? How did you clear the code? I only know to disconnect the battery.
  3. J

    2015 SONIC CODE P0420

    Is there a rear CAT? Did you fix it yet?
  4. J

    Cat efficiency-P0420-stock

    I have the same problem. Replaced plugs, coil, both O2 sensors, even a new cheap CAT from ebay.
  5. J

    2015 SONIC CODE P0420

    Mine has been on for a couple of years. Replaced the CAT about 6 months from one I bought on ebay that said was good for California. Didn't work. Tried both oxygen sensors last week, didn't work either. Smog due in 1 month. Now I'm thinking I have to go to a repair show. Anyone fix this...
  6. J

    Catalytic Converter Replacement

    How do you get the manifold out. I'm stuck at this step.
  7. J

    Blower Motor Not Working

    Hi, have a 2014 LTZ and the blower motor doesnt work. I put a 12V battery on the motor and it spins fine. I replaced the blower motor resistor and the control panel with the dial switch.....didn't help. The two 10A fuses under the dash and the one 40A fuse in the engine compartment are all...
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