Fuel Pump Running After Car Is Off at Evelyn Bacon blog

Fuel Pump Running After Car Is Off. After the engine is switched off and the fuel pump stops running, fuel system pressure will decrease slightly and then hold steady for at least five minutes. For a short period after engine shutdown: After the engine is turned off, the ecm may keep the fuel pump running for a few. Often people experience that the fuel pump runs continuously with key on and it is due to issues like bad ecu, incorrect wiring, faulty/stuck fuel pump relay, malfunctioning crank position. A faulty relay may fail to break the circuit when the vehicle is off, causing the fuel pump to run. So this is normal for the fuel pump (or what sounds like the fuel pump) to run with the vehicle turned off after being driven 4 or 5 hours. The fuel pump keeps running even when the vehicle is switched off. You may hear a noise from under the vehicle approximately 5 to 10 hours after the ignition switch is turned to the “lock”/“off”. A malfunctioning fuel pump relay can keep the engine running after turning off the ignition. A certified mechanic must inspect the vehicle to diagnose and repair the issue. The fuel pump on my 1989 mercury grand marquis is still running after turning the ignition off, causing the battery to drain.

A malfunctioning fuel pump relay can keep the engine running after turning off the ignition. A certified mechanic must inspect the vehicle to diagnose and repair the issue. The fuel pump on my 1989 mercury grand marquis is still running after turning the ignition off, causing the battery to drain. The fuel pump keeps running even when the vehicle is switched off. For a short period after engine shutdown: A faulty relay may fail to break the circuit when the vehicle is off, causing the fuel pump to run. After the engine is turned off, the ecm may keep the fuel pump running for a few. Often people experience that the fuel pump runs continuously with key on and it is due to issues like bad ecu, incorrect wiring, faulty/stuck fuel pump relay, malfunctioning crank position. So this is normal for the fuel pump (or what sounds like the fuel pump) to run with the vehicle turned off after being driven 4 or 5 hours. After the engine is switched off and the fuel pump stops running, fuel system pressure will decrease slightly and then hold steady for at least five minutes.

BDFHYK Electric Fuel Pump Assembly E8545M Compatible with

Fuel Pump Running After Car Is Off A malfunctioning fuel pump relay can keep the engine running after turning off the ignition. You may hear a noise from under the vehicle approximately 5 to 10 hours after the ignition switch is turned to the “lock”/“off”. So this is normal for the fuel pump (or what sounds like the fuel pump) to run with the vehicle turned off after being driven 4 or 5 hours. Often people experience that the fuel pump runs continuously with key on and it is due to issues like bad ecu, incorrect wiring, faulty/stuck fuel pump relay, malfunctioning crank position. After the engine is switched off and the fuel pump stops running, fuel system pressure will decrease slightly and then hold steady for at least five minutes. A malfunctioning fuel pump relay can keep the engine running after turning off the ignition. After the engine is turned off, the ecm may keep the fuel pump running for a few. The fuel pump keeps running even when the vehicle is switched off. For a short period after engine shutdown: The fuel pump on my 1989 mercury grand marquis is still running after turning the ignition off, causing the battery to drain. A faulty relay may fail to break the circuit when the vehicle is off, causing the fuel pump to run. A certified mechanic must inspect the vehicle to diagnose and repair the issue.