Easy lifehacks

What is the function of the fuel pump relay?

What is the function of the fuel pump relay?

So, the primary function of the fuel pump relay is, to maintain a consistent voltage supply, to the fuel pump. Consequently, the fuel pump relay is usually controlled by, the ignition or powertrain control module (PCM).

Where is the fuel relay on a Chevy 1500?

Some simple diagnosis techniques can often resolve the problem. While troubleshooting, wear protective gear and keep a class B fire extinguisher nearby. The fuel relay is located on the passenger side fire wall, “near the top of the compartment under the relay cover,” according Haynes manuals.

Where is the fuel pump fuse box located?

The engine’s or the dashboard fuse box is usually a long black box containing a fuel pump relay and various other fuses and relays. For different vehicles, the fuel pump relays can be located in different places.

How much does it cost to replace a fuel pump relay?

Fuel pump relay Replacement cost. The average replacement cost of the fuel pump relay is around $90 and $150. The parts may cost you between $20 and $50, while the remaining cost is the labour cost. Fuel pump relay is a small electronic device which is easily acquired online or at the nearest spare parts shop.

When do you need to replace the fuel pump relay?

Touch device users, explore by touch or with swipe gestures. If your engine is stalling or won’t start, there’s a chance you need to replace the fuel pump relay. If no sound is coming from your fuel pump, it’s time to inspect the pump relay or fuse to see if it’s providing any power to the pump.

Some simple diagnosis techniques can often resolve the problem. While troubleshooting, wear protective gear and keep a class B fire extinguisher nearby. The fuel relay is located on the passenger side fire wall, “near the top of the compartment under the relay cover,” according Haynes manuals.

How can I tell if my fuel pump is working?

A whirring sound can be heard for approximately two seconds when the fuel pump is working properly. If there is no sound, turn the ignition off and remove the cover from the underhood fuse/relay center. Using the guide printed under the cover, locate the fuel pump relay fuse. Examine it for usability.

Where is the fuse on the fuel pump?

Mounted about 6 inches to the right of the fuel pump fuse, it’s black with five wires coming out of the bottom. Examine fuel lines for a leak or crimped hose (or fuel line) impeding the flow of fuel to the carburetor. Have someone turn the ignition on while you listen for the fuel pump (located in the fuel tank) to activate.

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Ruth Doyle