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# RCL/557.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Summary

IT HAS BEEN DETERMINED THAT THE 1990 JEEP VEHICLE, EQUIPPED WITH THE 2.5L ENGINE, MAY BE IN VIOLATION OF FEDERAL EMISSIONS STANDARDS. HYDROCARBON, CARBON MONOXIDE AND OXIDES OF NITROGEN LEVELS COULD BE ABOVE ALLOWABLE LIMITS, WHICH WERE ESTABLISHED TO PROTECT THE PUBLIC HEALTH FROM THE DANGERS OF AIR POLLUTION. TO CORRECT THIS PROBLEM, DEALERS WILL REPLACE THE OXYGEN SENSOR. *TW

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