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H22 Si Vtec P13 ecu threw a check engine code 21 obd1

Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › H22 Si Vtec P13 ecu threw a check engine code 21 obd1

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  • October 31, 2020 at 12:38 am #986933
    RICHARD ALBRIGHTRICHARD ALBRIGHT
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      What are my troubleshooting options here? So far I have changed both filters and cleaned vtec solenoid valve. Still have a check engine and code. Any other suggestions would be helpful. Thanks.

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