vrvtiggerExplorerFeb 13, 202293 VectraI have a 93 Vectra 35RQ with a second gen Cummins 12 valve. There is a tube coming out of the intake manifold to what I think is the air compressor. It has a broken elbow. What is this and why is i...Show More
wolfe10ExplorerFeb 14, 2022You don't mention what engine you have, but suspect a Cummins B 5.9 liter diesel. Lots of owners here with that engine.Very widely used engine. And, if the hose from intake manifold to air compressor is missing/broken, you should have a SIGNIFICANT loss of boost.
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