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- Sat Nov 13, 2021 4:13 pm
- Forum: s300 / SManager
- Topic: vtec spool error
- Replies: 1
- Views: 855
vtec spool error
i have a 93 del sol with a b16a swap, p28ecu with hondata s300 v1. drivng my car i get no cel but definitely something going on with vtec. when i test output for vtec it gives me spool error code 21. i have replaced the solenoid and wiring harness and still same issue. it never throws a code while ...