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FJR Motorcycle Forums
Technical & Mechanical Problems
2005 fuel pump problem
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<blockquote data-quote="Constant Mesh" data-source="post: 1397435" data-attributes="member: 615"><p>Gen 1 and 2 are the same except for where the fuel pressure regulator is located. On the Gen 1 the regulator is mounted at the end of the fuel rail with a return hose to the tank. On the Gen 2 the regulator is in the tank at the pump so no return hose is needed.</p><p></p><p>Electrically they are the same except for the addition of the oxygen sensor heater on the Gen 2. The heater is powered from the fuel system relay along with the pump and injectors.</p><p></p><p>The Gen 1 oxygen sensor doesn't include a heater. An improvement on the Gen 2.</p></blockquote><p></p>
[QUOTE="Constant Mesh, post: 1397435, member: 615"] Gen 1 and 2 are the same except for where the fuel pressure regulator is located. On the Gen 1 the regulator is mounted at the end of the fuel rail with a return hose to the tank. On the Gen 2 the regulator is in the tank at the pump so no return hose is needed. Electrically they are the same except for the addition of the oxygen sensor heater on the Gen 2. The heater is powered from the fuel system relay along with the pump and injectors. The Gen 1 oxygen sensor doesn't include a heater. An improvement on the Gen 2. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
2005 fuel pump problem
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