I vote for the monovalve also. They usually only last 3 to 5 years. The symptoms fit. The foam hose which was mentioned really only affects automatic mode, causing it to react very slowly. Go for the monovalve repait kit.

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Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



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