kaoskustoms
Senior Member
code 21 for vtec spool valve on checks ok checked wiring it is ok
switched spool valve and pressure sensor complete assembly with known good one, and still on
switched ecu with known good one, code still on. manually applied voltage from ecu plug to spool valve, verfied click in valve, it is ok
code 21 still on and no vtec wtf is wrong
93 cx hb 95 d16z6 head p28 virgin ecu
that is only code and car runs great just no vtec
switched spool valve and pressure sensor complete assembly with known good one, and still on
switched ecu with known good one, code still on. manually applied voltage from ecu plug to spool valve, verfied click in valve, it is ok
code 21 still on and no vtec wtf is wrong
93 cx hb 95 d16z6 head p28 virgin ecu
that is only code and car runs great just no vtec