The CEL came on yesterday and I thought it was just the oxygen sensor...did the little paperclip pin thing and It came back with code 23 which is the Knock Sensor Circuit Malfunction. Reset the ECU thinking it was just a one off thing...it came back on today. How can I check this problem? I can't take it to my mechanic due to the public holiday. Any advice?
you got a open circuit on the knock sensor. check the pins to the knock sensor. remove the plug, check the connectors, spray a contact cleaner n replug in and reset. make sure connection is secure. Reset cel. if cel comes on again, chg the knock sensor.
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