2004 Subaru Forester (SG) — Repair Solution

2.5L EJ255 4cyl 16v DOHC VVT Turbo MPFI Petrol Manual · Turbo Over Boost · Engine

Subaru Forester (SG) Turbo Over Boost Engine Diagnostic Sequence Available

Vehicle Details

Make: Subaru
Model: Forester (SG)
Year: 2004
Engine: 2.5L EJ255 4cyl 16v DOHC VVT Turbo MPFI Petrol Manual
Kilometres: 168,000
Area: Engine
Category: Turbo Over Boost

Customer Complaint

The turbo is over-boosting.

Problem Summary

The turbo is over boosting above 5000rpm to 20psi even with the wastegate held wide open and disconnected.
It has a modified exhaust system, a TD06 20g turbo and an aftermarket cold air intake and intercooler.

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 2004 Subaru Forester (SG) is available to TaT members.

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Verified Repair Solution

The confirmed repair procedure for this 2004 Subaru Forester (SG) is available to TaT members. Includes the verified fix and technician tips.

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Quick Facts

CodeSUBSG041212
Vehicle2004 Subaru Forester (SG)
Engine2.5L EJ255 4cyl 16v DOHC VVT Turbo MPFI Petrol Manual
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

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