EA 6CYL MPI Pipes & Hoses
Some questions for those who really know the EA 3.9L MPI engine as fitted to a 1989 S-Pak sedan....
1. On the thermostat housing, just above the coolant sensor, there is a white plastic sensor installed (climate control coolant sensor?). It has two small rubber hoses (vacuum) running off of it. There is a hose on the far left, one in the middle, then a plastic plug with no hose fitted.
Where is the middle hose supposed to run to?
Mine has the hose connected, but runs to nowhere, just left hanging with a white plastic vac hose connector on it and but I can't see where it is meant to be connected to.
The manuals are no help in this regard.
2. Coming out of the RHS of the firewall (looking from the front), up behind the washer reservior, are a bunch of electrical wires and two small plastic hoses, a couple of mm in diameter. One runs to the vacuum fitting on the inlet manifold; where is the other supposed to run to?
3. Lastly, on the RHS of the engine bay, there is a black hose running out from the wheel arch. It is a couple of cm in diameter, and is run along the top of the wheelarch (held by clips), the runs down to the area near the inlet manifold / heater valve.
What is it meant to do? It has a clean diagonal cut, so it looks like that is where it is meant to be; but what is it? Some type of drain pipe?
Hope someone can help.
maybe you can look at your own engine, and tell me what you see.