TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Jeep for this TSB. Call your local Jeep dealer's service department & ask for a copy of TSB# RCL647.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

Summary

APPLIES TO VEHICLES EQUIPPED WITH A 4.2L ENGINE AND FEDERAL HIGH ALTITUDE EMISSION CONTROL SYSTEM. FUEL VAPORS MAY CAUSE DETERIORATION OF THE PCV HARNESS ASSEMBLY. THE PCV HARNESS ASSEMBLY MUST BE REPLACED AND THE ENGINE IDLE SPEEDS MUST BE RESET.

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