Civic L4-1590cc 1.6L SOHC (VTEC) (1992)
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Variable Induction System: Testing and Inspection
21 Spool Valve (VTEC)
Check Engine Light indicates trouble code 21:
Most likely a problem in the Spool Valve.
Part 1 Of 3
Honda Workshop Service and Repair Manuals
21 Spool Valve (VTEC)|Page 3408 >
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