Quote:
Originally Posted by HyperM3
Its not a CEL, that light is the "half-lit engine" light. The Service Engine Soon light is an emissions/exhaust related light. And correct me if Im wrong, but the valve you are now tampering with is quite exhaust related.
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Agreed it's exhaust related... but is it affecting the net emissions of the car? The only effect I've heard so far that might be emissions-related is that it might help the cats to heat up faster. If this valve had that big an emissions impact, CARB wouldn't let you have an after-market exhaust without it.
If my dash explodes into technicolor warning lights I'll plug the solenoid back in and ask my shop nicely to re-set the ECM, otherwise I like the change. My only real issue with the stock exhaust so far has been that when there's only one cloud in the winter it looks like a single exhaust with a dummy tip. Likewise, the pasenger-side tip usually gets dirty faster than the driver's-side, which looks kind of odd until they're both pretty black.