Question about 1991 Chevrolet Lumina
I believe that car has the intake plenum on top of the intake manifold. If you're having a leak, you can poke around the plenum (the big aluminum thing on top of your engine) with a piece of tubing as a stethoscope. You'll know then if you have an air leak. If you are somewhat savvy with a wrench, you may be able to make that repair yourself.
It sounds like your cam belt has slipped. If this is the 4-cam engine, you are supposed to replace the belt at a frequency outlined in your owner's manual. This is a much more advanced repair procedure. If this is the problem and you take it on and have a problem... post back here for help. Good luck.
Posted on Jul 17, 2008
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Posted on Jan 02, 2017
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