P0299, P0016, P0018 Audi 4.0 TFSI V8 – Oil Screen & Turbo Failure
Diagnostic guide for Audi 4.0 TFSI V8 twin-turbo oil screen clogging and turbo bearing failure.
Vehicle
AUDI
Codes
3 units
Analysis Type
Technical Expert
Status
Analyzed
Technical Analysis
P0299, P0016, and P0018 on Audi 4.0 TFSI V8 identify oil starvation to twin turbochargers from a clogged Hot-V oil screen.
Expected Symptoms
System Impact
Potential Fault Sources
Workflow / Methodology
Verify supply voltage and sensor telemetry for P0299, P0016, P0018 on AUDI with multimeter at key ON.
Measure wastegate position feedback voltage at key ON: normal 3.5–3.9 V in closed position.
Smoke-test induction system and boost plumbing at 1.2 bar to pinpoint leaks.
Check crankcase depression with digital manometer at warm idle (-100 to -150 mbar).
Live Data & Mätvärdestoleranser (Är/Bör-värden)
Fabriksgodkända referensvärden vid diagnos och live-avläsning
| Parameter / Signal | Testvillkor | Bör-värde (Normalt) | Avvikelse / Varning |
|---|---|---|---|
| Oljetryck Hot-V Galleri | Tomgång 80°C olja | 1.5 – 2.2 bar | < 1.1 bar |
| Laddtryck Bank 1 vs 2 | Fullgas 3500 rpm | 2 200 – 2 450 mbar | Bankdiff > 300 mbar |
Assessment & Action Proposal
Technical Recommendation
Upgrade to revised large-mesh oil screen, replacement of both turbochargers, and intercooler flush.
Need a deeper analysis? Use our advanced fault code analyzer to find likely connections and in-depth guidance.
Start Fault Code AnalyzerVanliga frågor om dessa felkoder
Vad är den primära orsaken till felkoderna?
P0299, P0016, and P0018 on Audi 4.0 TFSI V8 identify oil starvation to twin turbochargers from a clogged Hot-V oil screen.
Kan man köra vidare med tänd motorlampa / varningslampa?
Körning med aktiva felkoder kan leda till strypt motoreffekt (nödläge / Limp Home), blockerad partikelfilterregenerering eller följdskador på mekaniska komponenter. Felsökning bör genomföras omgående.
Hur åtgärdas kombinationen på säkrast sätt?
Upgrade to revised large-mesh oil screen, replacement of both turbochargers, and intercooler flush.