hi i have corsica 1992 3.1 engine with multi port
the car sitting a lot of time and now i start to return the car back to the road again.
before 4 month the car have check engine light come on and after some time the car wont start at all.
i replace 6 spark plugs and new cranck sensor and the car start and run but now the check engine still on when i start the engine.
i try to check for code on obd 1 with clip and i got code 43.
when i listing to the engine i ear noises like rings noise.
when i replace the spark i see the spark was black i have problem with rich fuel what is the problem? i know code 43 is knock sensor but where is it?
thanks

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