PO42O code???
12-13-2006, 06:33 AM
#11
I started getting the same code @ about 180k miles...usually combined with a fuel sender code as well...delete it...come back a few weeks later...turned them off in HPT...ran that way for several months...then removed cats all together...never knew whether it was the cat or the sensor...
12-13-2006, 12:05 PM
#13
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yeah Stewart, the wife isnt to hot about me modding the Family Yukon... (She drives it 90% of the time) specially when she see's how my truck is running 
she doesnt like loud, and she doesnt like it when it is rocking back and forth...
I replaced the O2 sensors when we bought the truck ..
yall think it could have gone out since then???
and bank one is going to be the front sensor right???
I know it is the drivers side that is throwing the code..
truck has 120,+++ miles on it.. still the stock cats on there.. nothing aftermarket on the truck except for the diamond cut headlights, and turn signals.
she doesnt like loud, and she doesnt like it when it is rocking back and forth...
I replaced the O2 sensors when we bought the truck ..
yall think it could have gone out since then???
and bank one is going to be the front sensor right???
I know it is the drivers side that is throwing the code..
truck has 120,+++ miles on it.. still the stock cats on there.. nothing aftermarket on the truck except for the diamond cut headlights, and turn signals.
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