2009 Mazda Mazda6 (GH) — Repair Solution

2.5L L5 4cyl 16v DOHC VVT MPFI Petrol Auto · Rough Running - EFI · Engine

Mazda Mazda6 (GH) Rough Running - EFI Engine Diagnostic Sequence Available

Vehicle Details

Make: Mazda
Model: Mazda6 (GH)
Year: 2009
Engine: 2.5L L5 4cyl 16v DOHC VVT MPFI Petrol Auto
Kilometres: 230,000
Area: Engine
Category: Rough Running - EFI

Customer Complaint

The customer reported the engine light was on and the vehicle was running rough.

Problem Summary

The vehicle displayed rough idle, hard starting, occasional stalling, and slight surging around 50 km/h. At higher speeds the performance seemed normal, and the vehicle accelerated well from a rolling start. A misfire fault code P0300 (random/multiple cylinder misfire) was stored.

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 2009 Mazda Mazda6 (GH) is available to TaT members.

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Verified Repair Solution

The confirmed repair procedure for this 2009 Mazda Mazda6 (GH) is available to TaT members. Includes the verified fix and technician tips.

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Quick Facts

CodeMAZGH09112
Vehicle2009 Mazda Mazda6 (GH)
Engine2.5L L5 4cyl 16v DOHC VVT MPFI Petrol Auto
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

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