The Pentastar was the answer to the Jeep Wrangler's engine problem. Or maybe just the source of some new problems? Looks like some Pentastar 3.6L V-6 engines need new cylinder heads, which will be ...
The powertrain control module (PCM) in your Jeep Wrangler – often referred to as your engine’s “computer” – acts as the brain of your vehicle’s engine. More specifically, the PCM in your Jeep is ...
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