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fritzef, ASE Certified Technician
Category: Car
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Experience:  ASE Master Technician, GM Certified,
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Suzuki Sidekick: FI fuse blows when fuel pump relay is plugged

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FI fuse blows when fuel pump relay is plugged in. Replaced fuel pump & ECM. Engine will start & run a little with relay out. Could injector be bad?

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Customer: replied 4 years ago.
Relist: No answer yet.
Hi, just saw your question. And looking at a schematic for the FI fuse that is blowing. The power going to that fuse comes from the ignition switch. It then travels to the Main Relay, which is right next to the Fuel Pump Relay. You may either have a problem with the Main relay or the Ignition Switch itself. I would look for a similar relay you can swap out for the main relay, although sometimes they are different from any other relay. But I would start there first. It that doesn't take care of the problem then I suspect an ignition switch problem or the wiring from the switch to the relay. Let me know what you find. Also let me know if I can help further. A positive rating would be greatly appreciated. Thanks Eric
fritzef, ASE Certified Technician
Category: Car
Satisfied Customers: 846
Experience: ASE Master Technician, GM Certified,
fritzef and 2 other Car Specialists are ready to help you
Hi, Just checking back to see if you still need help. Thanks, Eric