When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
i have a 89 civic dx with jdm d15b non-vtec. it has egr valve on motor but its not hooked to anything. i was told that its not needed for cali smog, any truth to this????