The catalytic converter hasn't been replaced. The code 136 says it's to lean. I know the catalytic converter is going bad because of the sound it makes. But the EGR valve is still reading code 332 insufficient flow, even after being changed. It hasn't improved the performance of the motor, so I'm stumped. I'm convinced this is why the catalytic converter is going bad. That nipple coming off the main line didn't have anything attached to it upon removal.
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Monday, August 7th, 2023 AT 10:27 PM