Replacing the regulator should fix the problem.Ī fuel-pressure test will reveal how much pressure the pump and regulator are delivering, but it won’t tell you anything about flow. If the regulator is not holding normal pressure, there may not be enough pressure to the injectors to start the engine. drop the tank to gain access but some models of Taurus you can replace it without dropping it completely 2002-). It does the same job but eliminates the need for a long return line from the engine back to the tank. On applications with returnless EFI systems, the fuel-pressure regulator is located in the fuel tank and is part of the pump module assembly. Its job is to regulate pressure to the injectors (which is critical for proper air/fuel calibration), and to route excess fuel back to the tank. The Best in Auto Repair Labor costs are estimated between 234 and 295 while parts are priced between 565 and 720. On return EFI systems, the regulator is mounted on the fuel rail in the engine compartment.
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