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Home >> Honda >> 1992 >> Civic Si >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Trouble Code Charts >> Code 21 - VTEC Spool Valve Circuit
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Code 21 - VTEC Spool Valve Circuit

Fig 1: Code 21 Chart (1 Of 2) - VTEC Spool Valve CKT.
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Fig 2: Code 21 Chart (2 Of 2) - VTEC Spool Valve CKT.
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