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Discussion Starter #1
So the truck threw a passenger bank one lean code and after talking to the dealer and members here I decided to replace the O2 sensors before the cats. Drivers side had no issues but the passanges side didn't feel right coming out. Turns out the PO must have cross threaded it cause its stripped pretty bad. Parts guy said it was the same thread pattern as the plugs but wanted to double check here before I tap it out with the wrong thread. Any help would be great.
Thanks again!
 

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Parts guy is correct, same thread as spark plugs :thumbup
 

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Discussion Starter #5
Thanks! Worked perfect. Now off to the next problem, why would there be coolant leaking back behind the y-pipe?
 

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Discussion Starter #7
The heater hoses look good, had to double check them since I changed them when I flushed the coolant. Only could see one freeze plug and it looked dry. Dirty but dry, tried to clean off the old oil from past leaks and see if I have better luck tracking it down. In a side not think the radiator is leaking a little since the flush so that's added to the list.
 
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