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removing oil cap
1987 porsche carrera
when I remove the oil cap at correct idle of 880, the idle stays the same. My understanding is that i have a vaccum leak... I recently changed my rear shocks and removed the airbox cover, one breather hose (i re installed it) and hung the large black rubber hoses to provide some space... Where should I look for it? |
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05-14-2014, 07:47 AM
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Brew Master
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I was told to check the hoses that run to the oil tank and check the boot on the intake. I guess the boots over time will develop small cracks that allow air in.
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05-14-2014, 07:48 AM
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83 911 Production Cab #10
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Spray some Quick Start spray (Motomaster @ Cdn Tire) around hose joint and the like.
If the revs go up, you found your leak(s).
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Who Will Live... Will See  83 911 Production Cab #10, Slightly Modified: Unslanted, 3.2, PMO EFI, TECgt, CE 911 CAM Sync / Pulley / Wires, SSI, Dansk Sport 2/2, 17" Euromeister, CKO GT3 Seats, Going SOK Super Charger |
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05-14-2014, 08:32 AM
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muck-raker
Join Date: Jan 2009
Location: Coastal PNW
Posts: 3,059
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There are also 2 small hoses that connect to a valve on the back of the throttle body, IIRC. Very common for these to become disconnected.
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STONE '88 Cabriolet, using EP Slick 20w50 partial synthetic Snake Oil...just as Rommel intended.  Deny Everything; Admit Nothing; and Always Make Counter-accusations 
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05-14-2014, 08:51 AM
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1985 Porsche 911 Cab
Das Babe
Das Babe Metalberiech
