Re: BPC valve checks - Saab 9000 Bulletin Board - Saabnet.com
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Re: BPC valve checks
Posted by BobS (more from BobS) on Tue, 26 Jul 2005 10:46:23
In Reply to: Please help create a Boost Problem Determination Guide, Norm, Tue, 26 Jul 2005 04:46:10
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The first check would be to check for 3.0 Ohms valve coil resistance between the center and outside contacts, or on later valves 2.5 Ohms. One Ohm greater or less than these values is suspect.
Regardless of the results of the valve coil test, check the harness resistance going into the ECU, infinity to ground on the outside contacts and battery voltage on the center contact with the key on. Lower resistance on the on the outer conntacts indicates a failed coil driver transistor in the ECU. No battery indicates fuse #6 is blown.
Any other problems other than obviously bad hoses or connections would be further down the list.
posted by 64.215.14...
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