Date: Tue, 27 Nov 2001 21:38:02 -0000
From: "Hugh Williams" <>
Subject: Waste gate Solenoid Valve - '94 9000 CSE Eco

How can I test the waste gate solenoid valve on my 9000 CSE ecopower '94. The car lost power over the weekend and I'm pretty sure it's because the turbo is not doing its business. I can't hear it any more and I don't get the 'hiss' which I used to hear if I accelerated hard then remove my foot from the throttle. I understand that the solenoid valve is pulse modulated by the ECU to control the waste gate valve. What would I expect to see on the solenoid valve terminals with the engine at idle. Any other thoughts appreciated. Thanks Hugh

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