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Replaced the fuel pump on my 2001 executive today. Managed to do this by removing the connection from the fuel filter and unclipping the return pipe from all of the body to give enough slack to gently slide the tank forward to get to the pump.
Car has been laid up for months following the last pump failure. Installed the new pump today as above and all ran fine for about 45 mins.
So far so good. Went back out to move car back to workshop but no start. No fuel at rail. Jumped relay to get 12v to pump but it’s not running.
Can I be that unlucky to get a dud pump that only lasted 45 mins or is there another issue that’s causing pumps to die quickly?
Could be a number of things. My first guess would be some connection has failed.
If the pump is running but no flow, then something in the tank may be clogging both
your filters and/or lines. I am sure you have checked all the fuses. Oh yeah, don’t
forget to check if when pulling the tank back into position, that one of lines might
have kinked, restricting the flow, however I doubt it run for 45 minutes if that were the case.
Could be a number of things. My first guess would be some connection has failed.
If the pump is running but no flow, then something in the tank may be clogging both
your filters and/or lines. I am sure you have checked all the fuses. Oh yeah, don’t
forget to check if when pulling the tank back into position, that one of lines might
have kinked, restricting the flow, however I doubt it run for 45 minutes if that were the case.
Thanks. Lines all looked fine (I was ultra careful taking out and putting back - cannot tell you how many times I shuffled under that car today to check the lines!).
I’ve definitely got 12v at the pump and it’s definitely not running so am guessing a connection or the pump has failed. Either way it’s all coming out again but I’m just concerned at 2 pumps failing in short time and wondering if there’s another issue causing them to fail.
Or I’m just very unlucky to have fitted a dud pump.
This information was posted by another member which I found helpful.
You can test the fuel pump if you remove its relay and plug two longer wires (that you can bring to the fuel filler neck) into the relay sockets shown as 30 and 87 on the drawing below. First, verify that you have power in the socket 30 by connecting a small bulb between the wire and the ground. If there is power at the socket 30, listen for the pump sound at the filler neck while touching the two wires together. You don't need to switch the ignition "on" for this test.
This information was posted by another member which I found helpful.
You can test the fuel pump if you remove its relay and plug two longer wires (that you can bring to the fuel filler neck) into the relay sockets shown as 30 and 87 on the drawing below. First, verify that you have power in the socket 30 by connecting a small bulb between the wire and the ground. If there is power at the socket 30, listen for the pump sound at the filler neck while touching the two wires together. You don't need to switch the ignition "on" for this test.
thanks - have already ascertained there’s no pump running using this method
06-25-2022, 03:37 PM
Fuel Pump / repeated failure?
