Audi A4 Oil Pressure Sensor Fault P0520
Audi
A4
2008
All
⚡ Quick Summary
Severity Level
High
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Can become a safety issue if left unresolved
Urgency Level
🟠 Fix Soon
P0520 oil pressure sensor circuit malfunction on A4. Always verify actual oil pressure with a mechanical gauge before assuming sensor failure — a genuine oil pressure fault is an emergency. Sensor replacement costs £30-80.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Audi A4 2008 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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