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07-06-2001, 10:27 AM
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#1 |
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Registered Member
Join Date: Oct 1998
Location: Rogers, MN
Posts: 2,089
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The EGR valve has controlled vacuum. It should only be open at part throttle. There should be zero vacuum at idle. If you do get vacuum, the EGR vacuum solenoid is not working correctly.
The fuel pressure regulator has uncontrolled vacuum. It's active all the time. ------------------ 351W 89 Mustang GT Convertible |
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