Question about Pool & Spa
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Posted on Jan 02, 2017
SOURCE: 02 sensors not ready
The code P0420 indicates that the catalytic converter is not functioning efficiently. This could be because the cat is damaged or the engine is not running very well and the cat cannot keep up with the emissions. You should ensure that the spark plugs and ignition components are in top shape before replacing anything else. If a compression check reveals a low cylinder, you will not be able to prevent this code as even a new cat cannot keep up with a dead miss. If the state of tune and the compression is good, then you'll likely need a cat.
I've posted the drive cycle just so you know what to do when you have resolved the code.
Do not leave the key in prior to the cold start or the heated oxygen sensor diagnostic may not run.
Posted on May 14, 2009
Check the valve actuator toggle switch. It is 180 degrees out. If the toggle switch is in the up postion flip it down or vise versa.
Posted on Aug 30, 2009
bank 1 will be whichever side cylinder 1 of your engine is and bank 2 will be the opposite side. It's named bank 1 and bank 2 so that no matter how the engine is laid out, bank 1 is always on the same side as cylinder 1. I cannot say whether the right hand or the left hand one will be bank 1 as I do not know where your cylinder 1 is. The garage should know
Posted on Sep 08, 2009
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