1987 442 Check engine light
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Registered User
Joined: Oct 2013
Posts: 44
From: Caton,NY ( near Corning)
1987 442 Check engine light
Hi Guys. Anybody up on the computer controled cars? I have had the check engine light go on intermitendly for about 2,ooo miles. Now it goes on at highway speeds and stays on till I shut it down and re start it. I checked all the vacume lines and electrical connections and I changed the o/2 sensor and egr valve. No change. Any help would be appreciated.
pavemobile
Joined: Jun 2012
Posts: 59
From: N. Texas
Take a look at this http://www.obd-codes.com/faq/read-gm...codes-free.php
Bend a paper clip and ground a couple of pins and count the lights.
Bend a paper clip and ground a couple of pins and count the lights.
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