How does a fuel pump relay work in an engine?
The engine control module (ECM) uses the fuel pump relay to control when the fuel pump is on. The fuel pump relay supplies electricity to power up and power down the fuel pump.
What are the symptoms of a bad fuel pump relay?
Symptoms of Bad Pump Relay Fuel Pumps: Fuel Pump Noise Fuel Pre-Pump Problems & Diagnoses Fuel Pump and Sender Replacement Fuel Gauge Failure: Fuel Level Sending Unit Repair Fuel Main Pump Problems & Replacement Gas More Than Empty But Can’t Be Pumped Out B230K BiFuel Engine Ticking Sound: Fuel Pump Fuel Tank: Gas Cap
Where is the fuel pump control module located?
It is often found in the fuse box located in the engine bay and functions as the primary electronic switch that controls power to the fuel pump. The fuel pump relay is usually controlled by the ignition or Powertrain Control Module, and when switched on, will provide current to the fuel pump so that it may function.
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.
Where are the relays on a fuel pump?
That inside fuse box is also where you’ll find two fuel pump relays. Both must turn on for the pump to run. Relay number 1 turns on when the ignition switch is turned on. Relay number 2 is turned on by the Engine Computer for that first one second, then again during engine rotation, (cranking or running).
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?
You can easily find fuel pump relays online or at any automotive spare parts shop.The average replacement cost of the fuel pump relay ranges from $90 to $150, of which $20-$50 is for parts and the remaining is the labour cost.
Why does the fuel pump relay need to be Tip Top?
The fuel pump relay needs to function in tip-top condition if the engine is expected to run without any issues. Therefore, any compromise in the fuel pump relay can directly cause engine problems, such as the stalling of the engine.