2002 Cougar yearly inspection woes

Time to get the Cougar inspected, and once again, something’s hosed.

Getting code P0325: Knock sensor circuit (bank 1)

My google-fu has failed me. Any ideas?

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Have any pinging at light load, high gear conditions?

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Not that I’ve noticed. I did have a code “P0125: insufficient coolant temp for closed loop fuel control” briefly, that’s gone away

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Can’t find one… found the cable, but can’t find the sensor itself

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How’s coolant level?
Any loose connectors or connectors with surface “rust”?

Maybe that’s the issue? No permanently on check engine light?

Coolant level is good, and I don’t see any rust.

Fun fact about this car: when you turn on the AC, it resets ODBii… really fun since inspection is due in June. These codes stayed on for a while, then the AC glitch happened. Might try to survive the next few days with no AC to see what happens.

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I was just reviewing the 2017 saga where you figured this out!


Not sure on the knock sensor thing…

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