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knock sensor

  1. MKIII (1986.5-1992)
    Hello everyone, I'm keeping on with my 89 Turbo M/T that I pulled out of a yard for $500. After replacing both sensors to fix code 52 (shoutout to my dad's cousin who has a lift in his garage, that rear sensor was a bitch) code 52 came back next drive. I'm assuming it's wiring at this point...
  2. MKIII Technical
    So I have the code for knock sensors and I recently replaced the front one. or I assumed I did and I was trying to get to the one by the starter so I had to go under the car, and I looked and saw the front one I replaced and spotted what looks like another knock sensor next to it? under intake...