WHAT IS CAUSING MY CAR TO KEEP THROWING THE P0133 CODE?

  • Tiny
  • dave21606
  • 2005 Kia Rio
  • 160,000 miles

I have this annoying problem with the Check Engine light that keeps coming on. I have it tested and keep having the shop tell me its the P0133 code.I have had the MAF sensor, knock sensor, front O2 sensor, all four fuel injectors, the fuel pump, wires, plugs, air filter, idle temp sensor, and fuel induction cleaning done. Yet after 3/4 days the code triggers the light again.I am about to drive it off a cliff and be done with it. Please help me figure out the issue! Thanks so very much.

Saturday, January 28th, 2012 AT 4:02 AM

2 Answers

  • Tiny
  • rasmataz
  • Member

Could be an exhaust leak, wire problem and O2 sensor itself

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Saturday, January 28th, 2012 AT 4:07 AM
  • Tiny
  • dave21606
  • Member

How would I check for exhaust leaks? I have already checked wiring to O2 sensor, unless I got a faulty O2 sensor(i bought it new from rockauto. Com). The car is very quiet so it cant be too big of exhaust leak.

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Saturday, January 28th, 2012 AT 11:19 AM

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