2006 Hummer H2 — Repair Solution

6.0L LQ4 8cyl 16v OHV EFI Petrol · Poor Performance · Engine

Hummer H2 Poor Performance Engine Diagnostic Sequence Available

Vehicle Details

Make: Hummer
Model: H2
Year: 2006
Engine: 6.0L LQ4 8cyl 16v OHV EFI Petrol
Area: Engine
Category: Poor Performance

Customer Complaint

Report from Gary Holman at Nudgee Automotive services.

Poor performance, no power.

Problem Summary

Arrives here for lack of performance, which was obvious as it was lucky to go faster than 40 kmh. It would idle but would not accelerate.
6.0Ltr Petrol LS2 Vortec engine.(63,000 km)

These have virtually identical management system as the 5.7Ltr GEN III VX Commodore.

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 2006 Hummer H2 is available to TaT members.

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Verified Repair Solution

The confirmed repair procedure for this 2006 Hummer H2 is available to TaT members. Includes the verified fix and technician tips.

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Quick Facts

CodeHUMH206123
Vehicle2006 Hummer H2
Engine6.0L LQ4 8cyl 16v OHV EFI Petrol
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

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