Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 707Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 707

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DIAGNOSTICS
Code 43 (3 of 3): Knock Sensor (KS) Circuit
Step 131415 Action Replace faulty KS moduleReplace faulty KSTrouble code 43 is intermittentRefer To "Diagnostic Aids" on facing page