How I fixed code 20
89 crx dx d15b2 motor
had code 20 which is electronic load detector. used this test and with the headlights on and ignition on it read 4.4v instead of 2v. so i replaced the under hood fuse box and no more codes show up.
http://www.flickr.com/photos/9810283...2699/lightbox/
https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/code-20-eld-electric-load-detector-2753984/
had code 20 which is electronic load detector. used this test and with the headlights on and ignition on it read 4.4v instead of 2v. so i replaced the under hood fuse box and no more codes show up.
http://www.flickr.com/photos/9810283...2699/lightbox/
https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/code-20-eld-electric-load-detector-2753984/
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