EGR, how to know?
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New User
Joined: Apr 2009
Posts: 10
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From: Northern Colorado
EGR, how to know?
How can you know if your egr valve is working properly?
I ran a vacuum line inside so I could see the gauge while driving. No vac at idle of course and 5-13 in. depending on load/throttle. Best mileage so far 11.6
351W, HO, 99k. All original and stock.
Thanks to all.
I ran a vacuum line inside so I could see the gauge while driving. No vac at idle of course and 5-13 in. depending on load/throttle. Best mileage so far 11.6
351W, HO, 99k. All original and stock.
Thanks to all.
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
Oh.. well in that case you inadvertently confirmed that the EGR controller is functioning as it should. Now you just need to determine if the valve is opening or not using the test above. If the engine doesn't stumble when manifold vacuum is applied directly to the valve and you visually confirm the valve moved(you can see the plunger through the holes in the body), then that suggests the EGR passage is blocked with carbon.
