Jeep Jk Egr Valve. Three possible diagnostic trouble codes (DTC) can be set in the Powertrain Control Module (PCM) if the EGR valve is bad. As you Wrangler JK gets older you might need to start replacing parts on it to keep it running smooth like before.

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Also please check out the statistics and reliability analysis of Jeep Wrangler based on all problems reported for the Wrangler. Decarbonization allows to clean your engine and your EGR valve. A used a fuel injector cleaner called Redline.

As you Wrangler JK gets older you might need to start replacing parts on it to keep it running smooth like before.

Just my engine doesn't have a EGR valve.

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Repair Guides

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This product is not snake oil like many other additives. The EGR system allows a certain amount of the Wrangler's exhaust to re-enter the combustion chamber, which helps lower the emissions coming from your Wrangler's exhaust. The Mopar EGR Valve Assembly for Jeep JK's is constructed to be the only replacement when your vehicle's exhaust gas re-circulation valve starts malfunctioning.