What happens when you jump the fuel pump relay?
Fuel pump relay clicks but no pump when this happens. Do you think this will help? this will jump the relay and supply power to the pump constantly. Its more of a troubleshooting method rather than a solution. if jumping the relay causes the pump to run correctly then your relay could be a cause, or something forward of that.
Where is terminal 86 on a fuel pump relay?
The (PCM) grounds the coil side of the relay through terminal number 85. Terminal number 86 supplies voltage to the coil side of the relay. When the (PCM) de-energizes the (ASD) and fuel pump relays, terminal number 87A connects to terminal 30. This is the OFF position.
How many pins does a fuel pump relay have?
The fuel pump relay does often have 4 pins, and in this case, it is often easy. If your relay has more pins and not the same numbers mentioned here, you need to check a wiring diagram. Lift it and check under it for the numbers 30, 85, 86, and 87. If you locate these numbers, you can put the fuel pump relay back.
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.
How does a fuel pump relay work in a car?
It is usually controlled by the ignition or the power control module. When you turn on the ignition, the fuel pump relay is activated and will supply electricity to turn on the fuel pump.
When to repair a bad fuel pump relay?
However, once you experience a sudden loss of power while driving, an inspection and repair is highly recommended, since there is always the risk that the next time the car may come to halt, leaving you stranded in the middle of the road.
Where is the fuel pump in a car?
The fuel pump is located in the fuel tank, near the rear of the vehicle and can usually be heard when the engine starts. A healthy fuel pump plus a healthy fuel pump relay will often produce a variation of a low volume hum or whine which can be heard from inside the vehicle, or from the outside, near the fuel tank.