Quote:
Originally Posted by clay68c10
If you don't pass by adjusting it on your own, then take it to a shop that works on older stuff and let them adjust it, they know the tricks and do that stuff pretty often.
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I couldn't agree more. all you will do your self without a 5 gas analyser is guess and possibly make it worse. start by recording all your settings (for after test) and let the pros do their thing. when i worked at a shop in Ill. I did this so many times for customers and passed each time. see if they will take it in for you.