knock sensors

  1. G

    P0332 Knock Sensor 2 Circuit low voltage

    Just replaced both knock sensors and harness. AC Delco sensors with Dorman harness. Drove 300 miles and P0332 pops up. Erased code to see if it was just a faulty code, came back on around the same mileage. What do I do? I really hate to have to take the whole intake off again.
  2. W

    CEL - Knock Sensor code (low voltage input)

    What's up guys? I was wondering if anyone else has had this problem before... I have a '03 Tahoe Z71 (5.3 Flex) and I've had this Knock sensor code active for quite some time - I've even changed both knock sensors, and the knock sensor wire harness, but I still have the "low voltage input"...

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