What would cause my fuel pump to not engage?
If the fuel pump is not coming on, and the fuse and relay are good, then it may be possible that there is a problem with the pump or the fuel pump circuit. If it is not then there may be some sort of wiring issue before the fuel pump relay, perhaps a wiring issue or other problem with the ignition switch.
How do you diagnose a dead fuel pump?
Usually, a bad or failing fuel pump will produce one or more of the following 8 symptoms that alert the driver of a potential issue.
- Whining Noise From the Fuel Tank.
- Difficulty Starting.
- Engine Sputtering.
- Stalling at High Temperatures.
- Loss of Power Under Stress.
- Car Surging.
- Low Gas Mileage.
- Car Will Not Start.
What happens when a low pressure fuel pump fails?
Low fuel pressure can cause hard starting, a rough idle, misfiring, hesitation and stalling. No fuel pressure will prevent the engine from starting, or will cause the engine to quit running if the fuel pump fails while driving. Low pressure will cause starting and driveability problems.
What causes low pressure fuel pump failure?
Since modern pumps are mostly electric, broken wires can cause the fuel pump to stop functioning. If the fuel pressure regulator is failing, it may restrict the amount of fuel allowed to enter the fuel rail. This will, in turn, cause the engine to run poorly, thereby degrading the engine’s performance.
Where is the fuel pump on a 98 Subaru Legacy?
5 Answers. The fuel pump sits in the gas tank. Most Subaru vehicles have an access panel to get to the top of the tank for easy removal.
What does the fuel pump reset button do?
In the event of an accident, the “Fuel Reset Button” will turn off the fuel pump and system.
What to do if your Subaru Outback fuel pump is not working?
Ignition coil? break the fuel line going to the fuel rail and see if you have pressurized fuel going to the injectors. You can even just crack the line but be carefull it will make a mess. If no flow then you have a clog somewhere.
What makes a 2002 Subaru Outback H-6 not start?
Having had to fix the dealer “fixes” quite a few times, I don’t straight out trust dealership shops. Finding a good mechanic on his good day is sort of a lottery. 2002 outback h-6 3.0 will not start and has no fuel pump cycling. Has no spark, no injector clicking.
Why does my fuel pump not turn on?
The fuel pump cycling seems correct, although this does not ensure that the fuel line pressure or delivery rate is correct. Line pressure is mechanically, not electrically, regulated. A blockage in the fuel line, including the filter, is possible, but I would think less likely given the symptoms.