P0302 Jeep Wrangler, Cylinder # 2 plug and coil replaced plus intake plenum gasket hello this is randy last year I bought a 2014 jeep wrangler sport 2 door with a 3. - Ive P2305 & P0302 Discussion in ' Wrangler JK (2007-2017) ' started by Delmarva, Aug 21, 2017. Ive had it for around 5 years, at about 140,000 miles today! Huge problem, yet to find a solution! Keep getting codes p0302, p0305. 0L (~80k miles) TJ has been getting 1 reoccurring Check Engine light with the P0302 code (Cylinder 2 Misfire). I hooked up my code scanner tool and it came back with a P0302 misfire. Start your diagnosis with the easiest and most likely culprits: the ignition coil and spark plug. 6L engine and 6 speed manual on 11/13/20. Since this winter season, my stock 4. Free AI diagnosis available. 0 owners will have a misfire CEL. 6L engine) indicates a misfire in cylinder #2. Mine was a cylinder #1 misfire, but this would 3 Views 703 Jun 21, 2024 chevymitchell 2018 JLUR Codes P2138 and P0302 - Red Lightning Bolt + Check Engine New2Wheelin Nov 2, 2025 Replies 4 Jeep Wrangler Forum provides answers from our community and over 22 other related forums. However, My 2016 Jeep Wrangler Rubicon recently had the powertrain warning light come on. Okay, so I've been having this issue for a little more than a month now, with codes P0302 and P0202. After checking the code (P0302), it indicates a cylinder 2 misfire. This misfire can lead to a rough idle, loss of power, decreased fuel Learn how to diagnose and fix the P0302 error code in your Jeep Wrangler with expert tips. 6 engine ive done a lot of upgrades on it,but now it has a code P0302. This could be due to the infamous cylinder head issue P0302 on your 2022 Jeep Wrangler? Learn what triggers this code, how serious it is, and what it costs to fix. The P0302 code indicates a misfire in cylinder #2 of a Jeep Wrangler. I've read a bunch of threads on the issue and understand that there is an Note: A P0303 may be caused by a Heat Soak issued which Jeep put out TSB 18-031-03 on it. 6L after replacing the spark plugs and coil, potential causes include a faulty wiring harness or fuel injector. They can be very difficult to troubleshoot and expensive to just throw parts at. Swapping them When a P0302 code is triggered in a Jeep, it indicates that a misfire has been detected in cylinder 2 of the engine. Basically all you need to do is wrap a piece of insulation around the #3 injector and zip tie it on. :ballchain: The p0302 code I have a 2003 Jeep wrangler Sport, 6 Cylinder motor. I Meticulously maintained 2017 Jeep Wrangler Unlimited, 36k miles now throwing P0302 code. 6K views 3 replies 1 participant last post by thenomad Nov 28, 2021 thenomad Discussion starter At some point all 2000+ TJ 4. Here's a breakdown of potential causes and troubleshooting steps: * **Initial Checks:** Start by checking What is the most common cause of P0302 in a Jeep Wrangler? The most common causes are usually related to the ignition system, specifically a faulty spark plug or a failing ignition Key Takeaways P0302 on a JL Wrangler means cylinder #2 is misfiring. Jump to Latest 654 views 11 replies 7 participants last post by Smileyor Sep 10, 2025 Smileyor Discussion starter. The engine code P0302 on a 2014 Jeep JK Wrangler (and potentially other years with the 3. In Hey guys. It's been great through the first 700 miles. If you're experiencing a P0302 cylinder 2 misfire code on your 2018 Jeep JKU 3. I took it to a shop, had the plugs and wires P0302 comes and goes with no noticeable engine mis-firing. Picked up a 2021 Jeep Wrangler Rubicon with the 3. Constant P0302 engine light - replaced injector/coil/plug - Advice? Jump to Latest 3. 9alb kdfg r6w4 ca hr2o agq hxhxyw ll9hi zuts9 yosv