bstone Posted July 10, 2016 Share Posted July 10, 2016 I'm gettng a P0420 and thought the replace the upstreak O2 sensor which is about 5 years old. Advance is offering a rebate on NGK sensors so I thought I'd query peoples thoughts and experiences before buying. I'm inclined to go OE but it's always good to save a buck. Quote Link to comment Share on other sites More sharing options...
vasy Posted July 10, 2016 Share Posted July 10, 2016 I'm gettng a P0420 and thought the replace the upstreak O2 sensor which is about 5 years old. Advance is offering a rebate on NGK sensors so I thought I'd query peoples thoughts and experiences before buying. I'm inclined to go OE but it's always good to save a buck. What brand did you use 5 years ago? I don't have any suggestion for you but was curious why a 5-yr-old sensor needs replacement. I still run both factory O2 sensors on my 96 2.5 with 150K miles. No CEL. Quote Link to comment Share on other sites More sharing options...
bstone Posted July 10, 2016 Author Share Posted July 10, 2016 What brand did you use 5 years ago? I don't have any suggestion for you but was curious why a 5-yr-old sensor needs replacement. I still run both factory O2 sensors on my 96 2.5 with 150K miles. No CEL. Bosch premium. Worked great until about 10 days ago when I noticed the car running odd and then the CEL P0420 came up. I just replaced the gas tank due to the old one leaking and maybe I knocked/damaged one of the O2 sensors while doing it. It's also possible the cats are going. I have over 260,000 miles on this beast and there are a TON of welds on the exhaust pipe. Quote Link to comment Share on other sites More sharing options...
ccrinc Posted July 10, 2016 Share Posted July 10, 2016 NGK is either OEM or definitely acceptable. (This is coming from someone who always advocates Genuine parts for the O2 sensors.) Emily 2 Quote Link to comment Share on other sites More sharing options...
carfreak85 Posted July 11, 2016 Share Posted July 11, 2016 If it were a turbocharged car I would say only use an OEM sensor, but in your case, the NGK will probably be fine. Quote Link to comment Share on other sites More sharing options...
bstone Posted July 13, 2016 Author Share Posted July 13, 2016 I had three spots on the exhaust welded early today which only cost $40. Here's to hoping that solves the P0420 code. Quote Link to comment Share on other sites More sharing options...
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