Quote:
Originally Posted by Paulporsche
Depending on the ambient temps in which you use your car you may not need the thermovalve. Mine fell apart recently and I was unable to fix it. In fact, it may have been inoperative for some time. My engine (as described above) starts @ temps down to just above freezing without the thermovalve. BTW the function of this valve is to limit vacuum to that lower chamber of the WUR for about 30 seconds in order to provide further enrichment @ startup.
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That’s helpful- the results I was finding were unclear on the duration of its function. I almost never drive the car in temps below 40F, so maybe I can just vent it, and go without. That saves me a couple hundred $$.
Thanks!