> he > said I needed to replace the ERG valve and that I should go ahead and order > it, but Autozone says my van doesn't use that part. Kendra: The EGR valve and associated "filter" that connects to the exhaust system have not been available for a long time. It is very likely that the filter is rusted, which could give you an exhaust leak ahead of the cat. The EGR valve is probably closed off with deposits. I'm assuming yours is a non-California '82 without the O2 sensor. A long time ago, my mechanic pinched the pipe where the EGR filter leaves the exhaust manifold and removed the arm that operates the EGR valve. That means the design to lower NOx gases is disabled, but my '81 can pass emissions without a cat even. To keep the air-cooled Vanagons on the road takes some adaptations. Richard |
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