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The 78 911 that this one is from will crank immediately then run very rough for a few minutes.
Hooked up cis guages. Outdoor temp. low 40's
System fuel pressure: around 5 bar
cold control pressure: .7 bar
warm control pressure: no change on gauge. I did unplug the wur for the cold control reading and reconnect it with the switch on and fuel pump running to check warm control pressure.
Does it sound like a non functioning wur?
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