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Discussion Starter #1
Just curious why there is no CEL with code 22 set? :headscratch:
Any ideas?

Thanks
 

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Someone let me know if this isn't right, but the CEL function wasn't used until 1990. You have the dash light, but it's not going to come on.
 

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Mine never has. I haven't seen other 1988 models work either.
 

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Im assuming, that if a certain code shows, it will flash a CEL. Problem is not all OBD-1 codes flash a CEL. Stuff like the ECT and ACT, IAC and a few others dont, but MAF, O2's, Smog stuff, EGR do flash a CEL. Let me consult with some one more knowledgabe, and Ill get back to you.
 
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