the fuel pressure regulator on a returnless fuel systems is located _______ .
the fuel pressure regulator on a returnless fuel systems is located _______ .
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter30: Electronic Fuel Injection
Section: Chapter Questions
Problem 11RQ: When the engine is idling, the pressure regulator in a PFI system provides ____fuel pressure...
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Question
the fuel pressure regulator on a returnless fuel systems is located _______ .
Expert Solution
Step 1
Engines with “returnless” electronic fuel injection (EFI) systems have the regulator inside the fuel tank. The regulator is part of the fuel pump assembly and is usually located downstream of the in-tank fuel filter. Fuel-pressure regulators on fuel-return-type fuel-injection systems are installed on the downstream side of the injectors at the end of the fuel rail.
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