b16a swap into 90 crx dx. getting code 21 vtec spool solenoid valve.

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Dec 27, 2006 | 03:19 PM

gsxr1k05

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From: colorado springs, co, usa

b16a swap into 90 crx dx. getting code 21 vtec spool solenoid valve.

what is this and how to fix it. i dont know where is it on the enigine to fix.

Dec 27, 2006 | 06:06 PM

HondaPartsHero

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From: Charlotte, NC, 28227

Re: b16a swap into 90 crx dx. getting code 21 vtec spool solenoid valve. (gsxr1k05)

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