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Alan L Alan L is offline
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Join Date: Apr 2006
Location: New Zealand
Posts: 3,249
I don't know. My manuals - Porsche and CIS say nothing about adjusting that switch. I intend to have a look - but hopefully without having to remove the fuel head.
My first thought is the height of the air flow plate - whether that would help -lower it slightly.
The switch must be adjustable in some sense - even if by fine shims. It must be right on the cusp for the amount of air drawn thru at idle. I need to measure the amount of depression of the plate from rest to idle. The delay relay must be working - because the pumps keep running. And when I switch the ign off, it takes a while to shut down. The real problem is the intermittent feed to the relays - which is caused by the air flow switch. The switch is working fine - on/off - so it must be the setting of the air flow plate, or the switch.
Will keep you posted.
Old 11-27-2007, 01:16 PM
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