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o2 sensor

  1. Jetta Troubleshooting
    Alright guys lets get some opinions together. Trying to get the car to pass inspection (i know a guy) so all it needs in no check engine light. I have error codes P0422 and P0134 is pending. I reset the light and got P0422 again and P0133 both were pending this time (maybe i didint drive long...
  2. VW Jetta MKII 1985–1992
    just noticed my OXS light comes on. it gets bright then seems to go out. can;t tell if it actually goes "dark" but it leads me to believe i need to2 sensor, oxs light.o replace the O2 sensor. can anyone tell me where it is on a 1985 VE jetta? thanks a lot.
  3. POWERTRAIN MODS - ENGINE / TRANS / TURBO / EXHAUST
    Nothing is more frustrating than down shifting to 5th in an effort to pass someone on a two lane road and having an O2 problem that disables you from passing. UGH! My 2003 GLI is running really weird. I can tell it's the fuel/ratio so I had the codes checked and it came up with P00118, P00300...
  4. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    Hi,I've got a rather annoying problem with my 2001 1.8T Jetta... It's having a hard time idling and sometimes stalls out while attempting to idle. The OBDII codes are P1126 and PO172. Other forums/posts have suggested this could be an issue with the engine coils, which I've replaced with brand...
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