MerCruiser 305 CID (5.0L) Service Manual page 707

DIAGNOSTICS
Code 43 (3 of 3): Knock Sensor (KS) Circuit
Step
13.
14.
15.
Index
Page 5G-80
Replace faulty KS module.
Replace faulty KS.
Trouble code 43 is intermittent. Refer To "Diagnostic
Aids" on facing page.
Action
SERVICE MANUAL NUMBER 24
Yes No
PROCEED TO
–
Verify
Repair
–
90-861327--1 OCTOBER 1999