The upper hose thats plugged with a spark plug is the heater hose on the left side of the diagram (into the firewall). The lower hose (also plugged) is what I don't know about. It's some sort of bypass hose, but where does that plugged end go to?
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-1987 5 spd N/A with TEMS: low miles! All stock with the exception of electric fans and an '89 front bumper, Yokohama 225/50/16 with stock rims. It's a mess and in the garage.
-1987 5 spd Turbo with TEMS: miss-matched tires, needs lots of work, but it runs! Project car.
-1988 N/A auto targa: all stock except 18" rims with Falken 265/35/18 in rear and 225/35/18 in front; daily driver.
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