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Erratic Function Mode Selection

WARNING: This page is about a different car, the 1995 Ford RV Cutaway, 1995 Ford Econoline, 1995 Ford Cutaway, and 1995 Ford Club Wagon. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check for vacuum source at engine manifold and vacuum canister. Ensure check valve is installed correctly. Check for leak at vacuum controller. Ensure all vacuum hoses are correctly routed and connections are tight. See Figure .
  2. Check vacuum motors and vacuum hoses for leaks and kinks. Check all mode doors for binding and foreign material. Check blower motor for foreign material and binding.
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