Quote:
Originally Posted by rjm65
The diverter valve would only cause the car to stumble if it had a vacuum leak.
Whether the smog pump is pumping air into the exhaust or diverting it out, it shouldn't cause a stumble.
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Is this documented somewhere? Or did you test this on your car?
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior
1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD**
