Having problems with your 1994 Cadillac DeVille ?
94 deville the fuel pressure regulator doesnt have a vacuum line on it where does the vacuum line came from the car takes off really slow is that the causethe vacuum leak
Most likely but the only way to tell is to find where it belongs and put it back .locate a vacume diagram and make sense outta that mess and i'll be impressed or just take it to a repair shop :)
Repair Help & Product Troubleshooting for 1994 Cadillac DeVille
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