Jeep wrangler p0300

Nov 26, 2014 · UselessPickles. 1198 posts · Joined 2013. #2 · Nov 26, 2014. OBD-II Trouble Code: P0300 Random/Multiple Cylinder Misfire Detected. OBD-II Trouble Code: P0301 Cylinder 1 One Misfire Detected. OBD-II Trouble Code: P0306 Cylinder 6 Six Misfire Detected. Disclosure: Affiliated with PR0D1GY P3RF0RMANC3.

Jeep wrangler p0300. Jul 20, 2019 · P0300 can't be tackled. Hello everyone! 2006 Jeep wrangler 2.4l 4 cylinder 101k miles. Got P0300 code and have replaced wiring harness (dealership), PCM (dealership), MAP (duralast), spark plugs (NGK Plat), going to change ignition coil and coil plugs next. TPS & MAF sensor changed within the last 10 months.

2014 gc ltd 3.6l v6 p0016, p0300, p000b. Hello all, a few nights ago, I took a 1/2 mile drive to the grocery store, and when I finished shopping and started my GC to head home, I noticed that it was running very rough and the accelerator was intermittently unresponsive. On the brief ride home, the CEL illuminated and started blinking.

P0305 is a fairly common trouble code with the Jeep Wrangler.It’s and OBD2 code and stands for:. P0305: Misfire Detected → Cylinder 5. P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Wrangler. The nice thing about P0305 is that it’s a cylinder specific trouble code, which makes diagnosing the …i would like to capture in a single thread anyone who has had an incident with their late build 2015/2016 wrangler with the 3.6 Pentastar engine. (CEL or thrown code) ENGINE MISFIRE CODES. P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire.The Diagnostic Trouble Code (DTC) will be set if, during cranking, at least 2.5 seconds have elapsed with a Crankshaft Position Sensor signal present but no Camshaft Position Sensor signal or with the engine running, the Camshaft Position Sensor signal is lost for at least 0.4 seconds with a Crankshaft Position Sensor signal present. P0390 …Oct 14, 2018 · P0305 is a fairly common trouble code with the Jeep Wrangler. It’s and OBD2 code and stands for: P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Wrangler. The nice thing about P0305 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, which ... A code P0300 may mean that one or more of the following has happened: Faulty spark plugs or wires. Faulty coil (pack) Faulty oxygen sensor (s) Faulty fuel injector (s) Burned exhaust valve. Faulty catalytic converter (s) Stuck/blocked EGR valve / passages. Faulty camshaft position sensor.The stock market represents the companies that list equity shares for public investors to buy and sell. Stock exchanges are the infrastructure that facilitate the trading of those ...#1. My jeep is throwing this code again. It stumbled last night driving home and then the CEL came on, the only code is P0300 currently. '06, 125k miles, 4.0, …

It read code P0052 - Voltage to high on Bank 2 Sensor 1 - essentially the new sensor I just put in. Other than the new Yellow light the car ran fine. I cleared the code and it IMMEDIATELY came back the next time I started the car. This time also with P1129 - some nonsense about the fuel loop. That one comes and goes.P0300 (Multiple Cylinder Mis-fire) and P0306 (Cylinder #6 Misfire Detected) This all started with a P0320 code (Crankshaft Position sensor). When coming to a stop …The common causes for a P0300 code in a Jeep Wrangler include: Ignition system issues, such as a faulty spark plug or ignition coil. Fuel system problems, such as a clogged fuel injector or low fuel pressure. Vacuum leaks in the engine. Faulty sensors, such as the camshaft position sensor or oxygen sensor.Felt the motor weird today on my way home today, like it was missing power under light throttle, and actually having a misfire, confirmed by the engine light in the dash flashing. I pulled the codes when i got home, and i'm showing P0152 and P0300. P0152 is bank 2 sensor 1. so Bank 1 should be clylinder#1 side, or front passenger.Aug 28, 2016 · Got the p0300 misfire code on my 2008 Jeep JK 157k, replaced the plugs, wires and coil, seemed to be somewhat better but the power does not seem to be right, and then going up a hill on the interstate about 70 it would not accelerate and the cel light came on blinked 3 times then cel light went out and seemed to drive fine. now it seems to ... Fast forward to this past August 22nd and it threw another P0300. In this case I had driven about 50 miles to see family. The Jeep sat in the driveway for about 4 hours. It was hot. Then after departing, and getting to the stop sign down the street, about 1 minute since engine start, the CEL came on. I always carry a scanner and it said P0300.P0132 is a common OBDII code that occurs in many vehicles, including the Jeep Wrangler. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. The air fuel sensor stays in rich biased mode for too long. There are also some less likely problems that can cause P0132.

Misfire. A misfire will cause P2096. A misfiring engine does not have to make a noticeable sputter sound. It can be subtle enough that you can’t feel it as you drive your Wrangler. If this is what is causing the code, it’ll usually be accompanied by a misfire related trouble code. Here are the most popular ones:P0300 and P2305 Codes. Hello everyone, I am posting to see if anyone has any suggestions or similar experiences with their JK. I have a 2011 manual wrangler 3.8 L and we started getting codes P0300 and P2305 out of nowhere the other day. Initially I thought it was plugs and wires so I replaced all of the plugs, wires, and the coil pack.Just picked it up on 1-22. Seemed sluggish getting on the freeway as I was leaving the dealer, but I didn't think to check the CEL as it was fine the rest of the way home. (1 hour freeway) Took out for a drive next day and noticed same going up a hill from a stop. CEL flashed several times. Got home and read P0300.Engine is still running, I can accelerate, downshift gears, etc., but I pull over to get my code reader out. I get the following codes: P0300 - Random misfire. P0315 - Crankshaft Position Sensor not learned. P0335 - Crankshaft Position Sensor Circuit. I clear the codes and start it back up to see if it's a fluke issue.here is what I have been able to find on my own for my '05 tj. p0300 - misfire detected in multiple cylinders. p2096 - post catalyst fuel trim system low limit. The p0300 has been getting thrown occasionally, I have not been able to track it down to bad gas or bad plugs. The plugs were just replaced with some champion OEM plugs about 2 …

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It could be a multitude of problems. - cam sensors marked with a "D" were bad from factory. - Oil Galley bolts loose, behind the cam phasers on the front of the valve cover. - will cause worn valve guides on the front, listen for an engine tick at idle. - and even the head warping and causing even more trouble.Frustraded P2305 and P0300 code. I have a 2008 Jeep Wrangler Unlimited Sahara. It is giving me a P2305 and P0300 code and the check engine light is on. I have replaced the plugs, wires, ignition coil, crankshaft position sensor, and the camshaft position sensor. When idling in park it doesn't sound like it's misfiring.Their suggestion is to do a 'tune up' with new plugs and wires (yes, I told him it doesn't have plug wires) for about $400. The plugs are only $85 if I buy locally. He said it's about 2.5hrs labor. Even at $100 per hour it doesn't come up to $400 total. I don't know what to do at this point.Either one or sometimes multiple misfiring codes (P0300 / P0301 / P0303 / P0305). I tried buying new coil and plugs for the ones misfiring but same thing. Drives good for 20 -75 miles, then misfire code. Ive taken this to 3 mechanics so far and have not been able to pinpoint the problem. Ive tried replace O2 sensors, replaced ECU computer, leak ...P0369-CAMSHAFT POSITION SENSOR INTERMITTENT - BANK 1 SENSOR 2. Bank 1 is passenger side. thoughts. Be sure to check engine OIL correct weight and level as the VVT systems are not forgiving. Engine pressure is a mention BUT I am sure that would not be limited to a code for this 1 sensor or yur keen eye..

The Jeep Wrangler is a car that bills itself on its fearless character. Jeep has sought to portray the car as the ultimate vehicle for adventure seekers who love exploring the unch...2013 Jeep Wrangler 4 Door (JKU)*SOLD* 2020 Jeep Gladiator JT DE tag : OIF 118 Honk if you see me! Report Content; Slimer. Forum Moderator. Reactions …Jeep Wrangler P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the ...Misfire. A misfire will cause P2096. A misfiring engine does not have to make a noticeable sputter sound. It can be subtle enough that you can’t feel it as you drive your Wrangler. If this is what is causing the code, it’ll usually be accompanied by a misfire related trouble code. Here are the most popular ones:Oct 1, 2018 · P0300 is a generic OBDII code that can occur with the Jeep Wrangler. This code indicates that your vehicle's engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). Misfires, rough idle, P0300, p0174, p2099. Last year 2018 in June I had these same codes come up with really rough idle. I changed spark plugs and wires and it came back a month later. I took it to a mechanic and he couldn't find anything wrong with it.2021 jeep wrangler unlimited sport just passed 190000miles Hey guys. I'm looking for some guidance. I've gotten the P0016 and P0300 codes. Today I spent $350+ and my entire morning replacing all the crankshaft position sensor/both camshaft position sensors/ all the plugs and coil packs.Mar 10, 2020 · Any help with P0172/P0175. First got CEL for #1 misfire and#1 injector circuit fail. Replaced all injectors, plugs, and coil packs. Parts from Amazon. Injectors looked like OE. Who knows. Those CELs are gone and now I'm getting P0172/P0175 for running rich. What is the P0300 code in the context of a Jeep Wrangler? It’s an OBD-II generic code indicating a random or multiple misfire in the engine. How can I identify if my Jeep Wrangler is affected by the P0300 code?

3 posts · Joined 2018. #1 · Mar 12, 2018. Check engine lights P2305 and P0300 for ignition coil 2 secondary circuit and multiple cylinder misfire. So far I have replaced plugs, wires and coil. Still have check engine light and misfire. Wondering if anyone had similar problems and what they did to solve. Or any suggestions on where to go next.

Painting the outside of your house yourself can seem daunting, but you can save a lot of money. Learn how at HowStuffWorks. Advertisement A fresh coat of exterior paint can transfo...Nayef. P0300 is Multiple Cylinder Misfire. Normally, this would be because of bad electrical connections, or Vacuum Leake. So before you start throwing money at it, check your Positive and Negative cables at both ends for tight and rust free connections, and check for the Break Booster hose, Crankcase Breathing Hoses on top of your engine ...P0300 code denotes “Random or Multiple Cylinder Misfire Detected.”. This diagnostic trouble code (DTC) implies that your car’s computer detected random or multiple-cylinder engine failures. Along with P0300, you’ll probably see another OBD-II code, ranging from P0301 to P0308. All these codes indicate engine misfires.Any help with P0172/P0175. First got CEL for #1 misfire and#1 injector circuit fail. Replaced all injectors, plugs, and coil packs. Parts from Amazon. Injectors looked like OE. Who knows. Those CELs are gone and now I'm getting P0172/P0175 for running rich. I don't really want to have the dealer run diagnostic on it, but I'm almost there.P0369-CAMSHAFT POSITION SENSOR INTERMITTENT - BANK 1 SENSOR 2. Bank 1 is passenger side. thoughts. Be sure to check engine OIL correct weight and level as the VVT systems are not forgiving. Engine pressure is a mention BUT I am sure that would not be limited to a code for this 1 sensor or yur keen eye..P0300 is a generic OBDII code that can occur with the Jeep Wrangler. This code indicates that your vehicle's engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring).Random Misfire, Rough Idle, Surging. 2009 Unlimited X, 3.8 4x4 automatic. Hoping someone can point me in a good direction. Getting P0300, P0132, P0032 codes. Symptoms include rough idle and engine surging. Doesn't seem to have any power or acceleration issues, once past the initial sputtering.

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P2302 running rough. Hello new to the site, I have an issue with my 2008 Unlimited 4wd sahara. one day about 1 mile from my house my CEL light popped on and started blinking the jeep started running rough/misfiring so I turned around and went home. Did the 3 key turns to find P0300 and P2302 codes. After researching online I decided to …P0369-CAMSHAFT POSITION SENSOR INTERMITTENT - BANK 1 SENSOR 2. Bank 1 is passenger side. thoughts. Be sure to check engine OIL correct weight and level as the VVT systems are not forgiving. Engine pressure is a mention BUT I am sure that would not be limited to a code for this 1 sensor or yur keen eye..The upstream O2 sensor malfunctioned, causing the engine to dump copious amounts of fuel leading to a P0300 multiple cylinder misfire. The cats burned up (melted) and needed to be replaced. The actual issue was the driver side (left side) upstream O2 sensor.29 posts · Joined 2016. #1 · Jun 6, 2016. The engine malfunction light came on this weekend (only 600 miles on the JKU) and it turned out to be a PO300 code for misfire. It stayed on through a few cycles and I got it scanned at a local O'Reillys. It's not on now - not sure if it went off itself or if O'Reilly cleared it.The upstream O2 sensor malfunctioned, causing the engine to dump copious amounts of fuel leading to a P0300 multiple cylinder misfire. The cats burned up (melted) and needed to be replaced. The actual issue was the driver side (left side) upstream O2 sensor.May 6, 2021 · =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code JEEP P0300 Saving Repai... Random Misfire P0300 through P0306 - 2000 TJ Wrangler Random Misfire P0300 through P0306 - 2000 TJ Wrangler. random misfire; leak down; wrangler; compression; p0300; p0306; By carlosa May 14, 2017 in Jeep® YJ Wrangler, TJ Wrangler and LJ Wrangler. Share ... 2000 Jeep Wrangler TJ 32RH 170k Miles I bought this last …Engine Performance problem 1997 Jeep Wrangler 6 cyl Four Wheel Drive Manual i have a 1997 jeep wrangler with 4.0l i-6 iam getting a p0300 dtc I have replaced all ignition componets including the camshaft position sensor I ran compression check on all cylinders and they all were above 158 psi also checked fuel pressure which was in spec the …Aug 30, 2012 · In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors. Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. ….

I see this code often on all different kinds of cars and sometimes yes it's the camshaft sensor and then sometimes its because its an aftermarket sensor. To ...May 29, 2020 · I replaced the crank position sensor as well as the 2 camshaft sensors but still no good. I'm still getting codes. Now I have 3 codes. P0306 - Cyl 6 misfire. P0300 - Random/multiple misfire. P0128 - coolant thermostat below regulating temperature. Jan 31, 2021 · 2012 Jeep Wrangler P0300 issues. We have checked literally everything and the shaking and vibrating is still an issue. We have checked all heads, replaced all sensors, spark plugs, fuel sensors, have done leak down tests, pulled every single cylinder out and nothing is wrong with any of them. The mis fire happens to all cylinders randomly and ... Perhaps even more impressive than their revenue beat might the 10% growth in net income....AMZN I had just come off live television. All my ducks were in a row. Kind of. I thought....The P0300 is the only code. I've checked what is pending several different times and it's the only one that shows up in Pending or as the CEL code. I didn't have much luck on the Wrangler forms but looking on the Gladiator forums, which has all the differences a JL would over a JK, this seems to be a rampant issue.It’s impossible to be too prepared when buying a home. It’s probably the biggest purchase you’ll ever make, but it’s also one of the most complicated as well. If you’re thinking of...Help!!!!! 2006 wrangler 2.4 liter p0300. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for …P0306 is certainly a cause for concern, and should be considered a threat to the drivability your Wrangler. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much more simple than P0300, which means that the cylinders are randomly misfiring.. It will often be accompanied by codes … Jeep wrangler p0300, Feb 14, 2011 · 1997 Jeep Wrangler P0300, p0301, p0302, p0303, p0304, p0305, p0306. I just took my 97 wrangler through inspection and they told me that I failed emissions. I looked up the codes, p0300 -p0306 and they say that I have firing issues on all six of my cylinders. I am experiencing no symptoms at all. , The Jeep Wrangler Rubicon is an iconic off-road vehicle known for its ruggedness and capability. However, Jeep offers a range of other models that may also catch your attention. On..., What causes the P0300 code to appear in a Jeep Wrangler? The P0300 code is a diagnostic trouble code (DTC) that indicates random or multiple-cylinder misfires in an engine. This code may appear in a Jeep Wrangler due to various reasons: a. Faulty spark plugs: Worn or damaged spark plugs may not ignite the air-fuel mixture properly, causing ..., The codes it pulled from that were P0300 multiple misfire and P0152 Bank 2 position 1 O2 sensor high voltage. I added some displays to the Torque app to look at my O2 voltages and found this - O2 bank 2 position 2 is at 0.0V and bank 1 is at 1.3V. The bank 1 sensors are right at 0.85 ish volts., Jan 31, 2021 · 2012 Jeep Wrangler P0300 issues. We have checked literally everything and the shaking and vibrating is still an issue. We have checked all heads, replaced all sensors, spark plugs, fuel sensors, have done leak down tests, pulled every single cylinder out and nothing is wrong with any of them. The mis fire happens to all cylinders randomly and ... , It’s impossible to be too prepared when buying a home. It’s probably the biggest purchase you’ll ever make, but it’s also one of the most complicated as well. If you’re thinking of..., Any help with P0172/P0175. First got CEL for #1 misfire and#1 injector circuit fail. Replaced all injectors, plugs, and coil packs. Parts from Amazon. Injectors looked like OE. Who knows. Those CELs are gone and now I'm getting P0172/P0175 for running rich., 2014 Grand Cherokee Ltd 3.6L V6. 24,500 miles. Hello all, a few nights ago, I took a 1/2 mile drive to the grocery store, and when I finished shopping and started my GC to head home, I noticed that it was running very rough and the accelerator was intermittently unresponsive. On the brief ride home, the CEL illuminated and started blinking., May 6, 2021 · =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code JEEP P0300 Saving Repai... , Jan 26, 2021 · Just picked it up on 1-22. Seemed sluggish getting on the freeway as I was leaving the dealer, but I didn't think to check the CEL as it was fine the rest of the way home. (1 hour freeway) Took out for a drive next day and noticed same going up a hill from a stop. CEL flashed several times. Got home and read P0300. , A P0300 code in a Jeep Wrangler indicates a random misfire, which can be caused by various issues such as spark plug problems, fuel issues, or ignition system …, Dec 28, 2012 · 5366 posts · Joined 2010. #1 · Dec 28, 2012. P0300, P0355 & P0339 with stumbling? I'm getting codes P0300, P0335 and P0339. I had to try and start the vehicle two or three times, and it won't rev passed 2500rpm or so (somewhere around there). It just stumbles or rev-limits and won't let it pass that RPM, in neutral or in gear, or in gear with ... , If you’re in the market for a used Jeep Wrangler, you’re in luck. These iconic off-road vehicles are known for their durability, versatility, and rugged style. Whether you’re an ou..., The first time it happened I had P300, P301, P303, P305, P306. Like. Jerry Bransford. 76902 posts · Joined 2003. #4 · May 4, 2021. Multiple misfires can be caused by a bad crankshaft position sensor, a bad O2 sensor, a bad pre-catalytic converter, or even the wrong technology spark plugs having been installed., What Causes a P0300 Code? Low Fuel Pressure. Vacuum Leak. EGR system malfunction. Internal Engine Problems (such as low compression) What causes the P0174 code? An air leak after the mass air flow (MAF) sensor, such as a torn intake boot, or bad intake manifold gaskets. A dirty or faulty mass air flow sensor., Jun 16, 2016 · i would like to capture in a single thread anyone who has had an incident with their late build 2015/2016 wrangler with the 3.6 Pentastar engine. (CEL or thrown code) ENGINE MISFIRE CODES. P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. , Jeep Wrangler Forums. JK Wrangler Technical Forum. P0300 and p0152. Jump to Latest Follow 1K views 2 ... P0300 and p0152 Ive Changed plugs, wires, coil pack, ..., Today while in gear and at a stop light (foot on brake) engine was shaking pretty good and the check engine light was flashing and beeping (according to the wife). I …, P0300 before and after an egr plugs and wires. Hey guys, 08 jk 3.8 auto 170k here. A week ago I got the 0300 code and an egr high circuit code along with a few o2 codes. Happened before the jeep was all the way warmed up and as soon as it hit I got a stutter in the motor, loss of accel., Misfires, rough idle, P0300, p0174, p2099. Last year 2018 in June I had these same codes come up with really rough idle. I changed spark plugs and wires and it came back a month later. I took it to a mechanic and he couldn't find anything wrong with it., P2302 running rough. Hello new to the site, I have an issue with my 2008 Unlimited 4wd sahara. one day about 1 mile from my house my CEL light popped on and started blinking the jeep started running rough/misfiring so I turned around and went home. Did the 3 key turns to find P0300 and P2302 codes. After researching online I decided to …, P0300 is Multiple Cylinder Misfire. Normally, this would be because of bad electrical connections, or Vacuum Leake. So before you start throwing money at it, check …, 2012 Jeep Wrangler P0300 issues. We have checked literally everything and the shaking and vibrating is still an issue. We have checked all heads, replaced all sensors, spark plugs, fuel sensors, have done leak down tests, pulled every single cylinder out and nothing is wrong with any of them. The mis fire happens to all cylinders randomly …, 1041 posts · Joined 2013. #14 · Jan 22, 2014. I came accrossthis video, and thought of this thread. Didn't see the update at the time about getting a new head. Hope you get it fixed, but Eric the Car guy mentions that a loose / slipping belt CAN cause a P300 code. Belt and Pulley Basics - EricTheCarGuy - YouTube., What is the P0300 code in the context of a Jeep Wrangler? It’s an OBD-II generic code indicating a random or multiple misfire in the engine. How can I identify if my Jeep Wrangler is affected by the P0300 code?, Hey folks. Have a 2003 TJ with a 4.0 and 105,000 miles. Over the past few weeks it would "randomly" have rough idle at start if the engine was warm - very random happening maybe once a week and lasting only 5-10 seconds. Thought maybe I got some bad gas. Today check engine light popped on..., 2014 Grand Cherokee Ltd 3.6L V6. 24,500 miles. Hello all, a few nights ago, I took a 1/2 mile drive to the grocery store, and when I finished shopping and started my GC to head home, I noticed that it was running very rough and the accelerator was intermittently unresponsive. On the brief ride home, the CEL illuminated and started blinking., =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code JEEP P0302 Saving Repai..., What does the P0300 code mean? The code P0300 indicates there are repetitive misfires on one or more cylinders in your car. You will often find this code …, Misfire help... P0300, P0303, P0304. My 01 TJ's engine light came on. So igot the codes. And got p0300 p0304 an p0304. I'm planning on taking it to a shop asap but it probably won't be until next week. It will run perfect... Until I stop, shut it off and let it set for 5-10 mins then when I start it usually takes 2 try's to start it and it runs ..., Fast forward to this past August 22nd and it threw another P0300. In this case I had driven about 50 miles to see family. The Jeep sat in the driveway for about 4 hours. It was hot. Then after departing, and getting to the stop sign down the street, about 1 minute since engine start, the CEL came on. I always carry a scanner and it said P0300., Jan 24, 2024 · I have a 2018 3.6l JKU 40,000km that's been having intermittent rough idle and occasionally throws a multiple cylinder misfire p0300 p and p0175 system too rich. Morning starts are perfect. But when i start the car again while still warm it will idle very rough. Or occasionally start at red lights. , May 21, 2023 · P0300 and P2305 Codes. Hello everyone, I am posting to see if anyone has any suggestions or similar experiences with their JK. I have a 2011 manual wrangler 3.8 L and we started getting codes P0300 and P2305 out of nowhere the other day. Initially I thought it was plugs and wires so I replaced all of the plugs, wires, and the coil pack.