Quote:
Originally Posted by Arthur Dalton
probably... I don't have that CD , but there has to be a vac line going to an Engine management module. That would be where to look b/c he is not getting Absolute Pressure from manifold communication...so the suspect would be a leaking vac line from the intake to whichever module monitors that vacuum signal. On 124, it would be the DM-N/59...I do not know where they get it on 201, but it has to be one of them. So, check all vac lines coming off intake, and specially one that goes to a module or vac sensor.
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I think the ICM monitors the vacuum. Here's a photo, not my car but a good reference. You can see the L shaped vacuum line on the left side. I do know that if you unplug the vacuum line going to the ICM, the engine will still run but the RPM's drop.
01-22-2009, 12:35 PM
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