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96 Chevy Lumina

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Dec 11, 2009, 6:56 AM

Post #1 of 2 (1580 views)
96 Chevy Lumina Sign In

96 Lumina, 6cyl, 3.1L

I am pretty sure I need to replace intake manifold gasket, losing antifreeze, starting to leak from back of engine, not leaking into motor. But I am getting EGR valve code and TERRIBLE gas mileage. I have cleaned EGR, then got one from junkyard, cleaned it, cleaned down inside intake, still getting code and still paying a mint in gas. Could bad intake gasket cause EGR problems??

(This post was edited by Chrystal919 on Dec 11, 2009, 6:57 AM)

Hammer Time
Ultimate Carjunky / Moderator
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Dec 11, 2009, 11:29 AM

Post #2 of 2 (1567 views)
Re: 96 Chevy Lumina Sign In

No, the gasket won't cause the EGR problems but it can cause the bad gas mileage and coolant leaks. You could have a plugged passage or wiring problem with the EGR. That will have to be diagnosed after the intake gasket is repaired.


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