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Need help! I have 2007 SVZ Ute.

Gordon VZ ute

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VZ Ute commodore
Car was initially throwing PO160 code for rear post cat sensor bank 2 which has been repaired. (Turned out someone had butchered wiring when they were installing wiring for oil pressure gauge). But now that it is working it’s throwing 2 codes P2272 stuck lean & P2098 to much oxygen post cat. Anyone with ideas on how to fix would be much appreciated. Has stock manifold and cats but has 2.5 inch xforce system from cats back. Wanting to fit extractors and high flow cats then get fuel injectors cleaned or replaced and then retune car. Not sure if this will be enough to fix problem.
 

Jolls

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Hi Gordon

There is so much to go through with these codes. I recommend downloading the GM tech manual (search this site for a copy) and then go through the DTC diagnostics step by step. Once you download the manual and get the hang of it finding and troubleshooting the system is made much easier.
 
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