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For multi point fuel injected models, the fuel pressure regulator is located on the fuel rail underneath the engine air filter. On V6, it will have a vacuum line fitting pointing straight up and will be retained by a snap ring. On V8, it will be retained by a mounting bolt. For dual and single point throttle body injected models, the regulator is located on the throttle body. Single point injected will have it mounted on the top of the throttle body by three screws/bolts. Dual point will have the regulator mounted on the back side of the throttle body by three screws/bolts.

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Q: Where is the fuel pressure regulator on a 1990 Dodge Dakota?
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