alexanderlange5
XC90 Diesel Fuel Pump Connection Issue
Summary of the thread
A 2021 Volvo XC90 diesel with 175,020 kilometers is experiencing starting issues, stalling at idle, rough running, increased fuel consumption, and a check engine light, with a diagnostic tool indicating a fuel pressure error. The problem is suspected to be a defective cable or plug connection related to the fuel pump. A similar case revealed that the issue was due to a faulty fuel pump connection, and a thorough inspection of the fuel pump wiring and connectors is recommended. A professional diagnosis at a workshop is advised to confirm and resolve the issue.
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4 comment(s)
alexanderlange5 (community.author)
Yes, I've noticed hesitation during acceleration, more so when the fuel level is lower. Can you elaborate on your experience?
charlesphoenix7
The symptoms match precisely. In my case, the issue stemmed from a faulty fuel pump connection. I recommend a thorough inspection of the fuel pump wiring and connectors. Ultimately, I would suggest a visit to a reputable workshop for a professional diagnosis. That's the only way to be certain.
alexanderlange5 (community.author)
Thanks for confirming my suspicions. A workshop visit was inevitable. For those with similar issues, it was indeed the fuel pump connection. Total repair cost, including diagnosis and connector replacement, was 95€.
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VOLVO
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XC90
charlesphoenix7
I have a XC90, and your situation sounds painfully familiar. I experienced comparable symptoms some time ago. Does the car struggle to accelerate, particularly when the fuel tank is less than half full?