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You don't start replacing things when an SES light comes on. GM OBD code readers are inexpensive and will save you time and money. It is also possible to jumper two of the connector pins together to read the code. Only then will you know what is truly malfunctioning.

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โˆ™ 2011-09-14 00:07:55
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Q: Why does the check engine light come on after 55 to 60 miles on a 1989 Chevy S-10 Tahoe Blazer when you have replaced almost everything?
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