2008 Audi S5 (8T 8T) — Repair Solution

4.2L CAUA 8cyl 32v DOHC VVT Direct Inj Petrol Manual · Loss Of Power · Engine

Audi S5 (8T 8T) Loss Of Power Engine Diagnostic Sequence Available

Vehicle Details

Make: Audi
Model: S5 (8T 8T)
Year: 2008
Engine: 4.2L CAUA 8cyl 32v DOHC VVT Direct Inj Petrol Manual
Area: Engine
Category: Loss Of Power

Customer Complaint

This Audi is a 4.2 V8, six speed manual with the engine code 'CAUA'.
The engine light and electronic power control (EPC) lights were illuminated on the dash and the car lacked power above 4000 RPM.

Problem Summary

In the test drive, there was strong acceleration until around 4000 RPM and then it felt like it was running out of fuel.

It would still rev to 7500 RPM, but it just wasn’t as strong as these vehicles usually are.

Diagnostic Sequence

The step-by-step diagnostic process used to identify this fault is available to TaT members.

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Fault Description

The detailed fault description and root cause analysis for this 2008 Audi S5 (8T 8T) is available to TaT members.

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Verified Repair Solution

The confirmed repair procedure for this 2008 Audi S5 (8T 8T) is available to TaT members. Includes the verified fix and technician tips.

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Quick Facts

CodeAUD8T08128
Vehicle2008 Audi S5 (8T 8T)
Engine4.2L CAUA 8cyl 32v DOHC VVT Direct Inj Petrol Manual
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

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