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Wow this hhr loves me, p0420 cat eff low?

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Old Apr 4, 2017 | 10:18 AM
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hardwaremack
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From: SF, MI
Originally Posted by Oldblue
Yes the P0301, is cured. That cleaner could have tripped the P0420, mine was from oil getting sucked out of the valve cover. Moving the second O2 sensor out just one spacer has resolved my issue and it might for you. You could run a can or two of Seafoam or Cat-Clean it might also cure the issue.
maybe i might install a catch can.
never did that before on a car but seems like a healthy concept!
Charles
Old Apr 4, 2017 | 10:48 AM
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I installed one , I still got the P0420 code.
Old Apr 4, 2017 | 10:55 AM
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maybe i will plug it at the tb and create a 1960 draft tube. :)
Old Apr 4, 2017 | 12:48 PM
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Goddbye!
Old Apr 4, 2017 | 12:50 PM
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See ya, wouldn't wanna be ya.
Old Apr 4, 2017 | 01:07 PM
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