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oxygen sensor

  1. O2 Oxygen Sensor S4?

    Spider - 105 & 115 Series (1966-1994)
    Hello, Any thoughts about where to buy a new O2 sensor and which brand/number? Thanks, Rande
  2. Exhaust sounds terrible

    Spider - 105 & 115 Series (1966-1994)
    Hey Gang, I fired up my daily driver, 87 Grad yesterday and the exhaust sounds absolutely horrible. Assume my Alfa knowledge to be "moderate". So if I'm slightly off base or just completely dead wrong, let me know, no egos here. My hypothesis: Exhaust leak? Some concurrent tribulations...
  3. Help replacing Oxygen Sensor!

    Alfa Romeo Topics Not Covered Elsewhere
    Seems like a simple enough job on a 1987 Spider Veloce, but no wrench I have ever seen will reach into recessed area to get a good purchase on the sensor's 22mm wrench lugs without cutting wires which becomes a problem when installing new sensor. Any insights from the experts?