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 ...
You’re most likely to find an inline-four- or six-cylinder engine under the hood of many of today’s Jeeps, and the multiport fuel-injected 2.5L and 4.0L are the most common of those still cruising the ...
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