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EGR system plugged



 
 
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Old March 15th 05, 05:24 AM
Martik
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Default EGR system plugged

1980 Ford Tbird 255CID. (similar to 302)

1. Is this a vacuum actuated valve or backpressure type. It does not respond
to full vacuum.

2. I assume the passage into the intake is blocked because the idle does not
change when I open the valve and I cannot blow compressed air thru it.
Plenty of exhaust air is getting to the valve. Problem is that I cannot find
any opening into the intake manifold. There is a passageway towards the carb
about 1/2" wide and 1 1/2" long but using various bent wires, coat hangers
etc I cannot find any way into the manifold.



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