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How do you check the fuel pump pressure on a 1999 Chevy astro mini van?
Wiki User
∙ 11y ago
There is a valve located on the rear of the intake plenum attached directly to the incoming fuel line. (Looks like a tire valve stem) Remove the engine cover inside the van and you will see both (in/out) the lines on the left center of the plenum. There should be a plastic dust cap on valve.
Wiki User
∙ 11y ago
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