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Where is the EGR on 1991 Cadillac Devile 4.9L?

The EGR valve on a 1991 Cadillac DeVille 4.9L engine is located on the intake manifold, usually near the rear, but its exact position can vary slightly. It's connected by vacuum lines and usually has a metal pipe leading to the exhaust system.

Because of the variations, you'll need a repair manual or a diagram specifically for your 1991 Cadillac DeVille 4.9L engine to pinpoint its exact location. Searching online for "1991 Cadillac DeVille 4.9L engine diagram" or "1991 Cadillac DeVille 4.9L EGR valve location" with images might help you locate it visually. A Haynes or Chilton repair manual is also a great investment for this type of work.

Don't rely solely on general descriptions. Visual confirmation is crucial for accurate identification.

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