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oxygen sensor
1-5 of 5 Results
  1. Golf/GTI VII
    So this is going to be a long post I have a mk7 gti with a apr stage 2 tune and CTS downpipe and CTS O2 spacer. All of which was on the car when I bought it. I had some codes for the downstream O2 so I replaced the O2. However I placed the wire wrong and it melted the protective sleeve against...
  2. Golf III & Jetta III
    anybody know what the best or cheapest way to trick my oxygen sensors into thinking I still have cats is? seen some stuff about using spark plug non fouler fittings to move the sensor further away from the actual exhaust but idk how reliable a solution that is.
  3. Routan
    Hi all. I'm new to the forum and here's the short story... I'm trying to figure out the potential cause of a code P0420 (bad catalyst code) which is popping up on my ODB scan tool before the oxygen sensor test completes. I suspect it's a bad oxygen sensor on Bank 1 (the right side) but I...
  4. Golf IV & Jetta IV
    Hello fellas. Recently my golf started to use A LOT more fuel than normal. I'll explain. Usually it sat around 7.5L/100km (32mpg) or less on country roads / highway. Not weird considering the car is now 22 years old. When new it was rated 6L/100km. My guess is that it is a bit more efficient...
  5. Corrado
    This is something that I've wanted to do for a while, and when I saw that Evan and the guys at 42DD started making high flow cats, I asked them to make one for my Corrado. Considering they had never even seen a Corrado cat, the fact that it fit perfectly is rather amazing. Link to their site...
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