Code 21

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Jul 14, 2015 | 09:15 AM

mr.f20bhatch

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Joined: Jul 2015

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Code 21

My vtec engages then cuts out and throws a code 21. I have a chipped ecu tune on Neptune. Is it the ecu? I have a 1992 hatch.

Last edited by Former User; Jul 14, 2015 at 09:46 AM.

Jul 14, 2015 | 04:39 PM

HondaPartsHero

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Joined: May 2002

Posts: 9,875

Likes: 35

From: Charlotte, NC, 28227

Re: Code 21

https://honda-tech.com/hybrid-engine...rk%22-1812135/

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