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Check if your knock sensor is faulty by attaching an oscilloscope to a ground point on the sensor. If the reading is under 10 ohms or doesn’t produce any reading, it’s likely to need replacing. 2011-2018 Ford Explorer.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.