2012 Jeep Wrangler (JK) — Repair Solution

3.6L ERB 6cyl 24v DOHC VVT MPFI Petrol Auto · Rough Running - EFI · Engine

Jeep Wrangler (JK) Rough Running - EFI Engine Diagnostic Sequence Available

Vehicle Details

Make: Jeep
Model: Wrangler (JK)
Year: 2012
Engine: 3.6L ERB 6cyl 24v DOHC VVT MPFI Petrol Auto
Area: Engine
Category: Rough Running - EFI

Customer Complaint

Engine light coming on and running rough intermittently.

Problem Summary

The vehicle has been back to Jeep dealer for warranty about 6 times.

Has had a new cylinder head (was the initial problem as diagnosed by me).

Has had a new computer but not the fault, ignition coils swapped between cylinders, new plugs. NGK platinum.

Diagnostic Sequence

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Fault Description

The detailed fault description and root cause analysis for this 2012 Jeep Wrangler (JK) is available to TaT members.

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Verified Repair Solution

The confirmed repair procedure for this 2012 Jeep Wrangler (JK) is available to TaT members. Includes the verified fix and technician tips.

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Quick Facts

CodeJEEJK12112
Vehicle2012 Jeep Wrangler (JK)
Engine3.6L ERB 6cyl 24v DOHC VVT MPFI Petrol Auto
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

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