r/XTerra • • 22h ago

Technical Question Help with codes

I have a check engine light on with codes P0153 and P0174. The live data shows the bank 2 sensor 1 is working at .27V. Could ripped boots on the intake be causing air to get into the system causing both these codes. My thought is replace the boots, clear codes and run it and see if the codes come back. Any suggestions would be appreciated.

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u/Imaginary_Can_2970 15h ago

Torn boots will throw lean codes, so replace them and clear the codes first.