Jeep wrangler p0300

P2302 Ignition Coil A. 2007 Rubicon, 3.8L. I had a P0300, multiple cylinder misfire and P2302 Ignition Coil 2nd circuit/A Insufficient ionization a few weeks back with the Jeep running awful. I even had the rotten egg smell at the onset but haven't had it since. I haven't really left the driveway though.

Beautiful. Perfect fit for 2008 Jeep JK 3.8l. Labeled better than stock. Keep running great. What kind of vehicle do you drive? Jeep Wrangler JK 2008. Equip cars, trucks & SUVs with 2008 Jeep Wrangler Ignition Coil from AutoZone.Mar 20, 2012 · 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 ... 1997 JEEP WRANGLER. 6 CYL. 4WD. MANUAL. 94,875 MILES. Have had frequent recurrence of Check Engine light, with codes of P0300, P0302, P0305. At least once have had ONLY P0300, multiple misfiring. Have NEVER any indication of an actual misfiring, by sound or feel. Thursday, September 2nd, 2010 AT 6:49 PM.Impressive lineup of Easter Jeep Safari concepts from Jeep® heading to Moab, Utah, April 1-9Seven one-of-a-kind Jeep concept vehicles take four-wh... AUBURN HILLS, Mich., March 30,...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...

The XJ runs great out on the road. It has plenty of power and runs smooth, but it idles really rough. I pulled the codes and got a P0300, P0301 and a P0138. I'm guessing that the random mis-fire (P0300) is directly linked to the cylinder 1 misfire (P0301) DUH!. The wires look fairly new but the cap looks old.Oct 26, 2009 · J. johnd85053 Discussion starter. 5 posts · Joined 2007. #1 · Oct 26, 2009. Executive Summary: You may need to cut-out connectors and directly solder wire ends together to solve your sensor-related problems that cause P0300 thru P0306 codes, or the P1391 code. Lets Start off by asking do any of these below OBD-II codes apply to you? -Codes ... The P0300 is a misfire, maybe you have a plug wire that isn’t seated right and the moisture is shorting something. It would go away with heat from the engine. You could try replacing your plug wires. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail …If evens year in the future someone is fighting a P0301 P0302 P0303 P0304 P0305 P0306 or a P0300, feel free to resurrect this thread. Hopefully you won't need a new head, but if you do, its cheaper than buying injectors or throwing parts at it. 2004 TJR (used) Jeep Club Events, off road parks etc ... Jeep Wrangler Forum. 9M posts 469.8K …Best Wallet Hacks Learn more you can get $200 for opening a new Upgrade Card and Rewards Checking Account - no minimums and no annual fees on both so it's a solid offer with no str...=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code JEEP P0304 Saving Repai...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.

Jul 9, 2019 · Threw a code for a drivers side upstream o2 a few months back, bought new sensor but CEL turned off so never installed new sensor. A couple of weeks ago, new CEL, codes were P0430, P2308 and P0300 and the jeep started running rough, did not want to go much over 40 mph, would shudder around 40 mph and CEL started flashing. 2022 Sport S - Rubicon Express 3.5 lift, KMC XD 229 Machete Crawl in Satin Black 17x9, Maxxis Razr MT 37x13.5x17Jul 27, 2015 · P0300 - Multiple/Random Cylinder Misfire. For a while, my check engine light would come on, and then go away after a while. My OBDII+Torque read P0300 and P0306. So Random/Multiple Misfires, and Cylinder 6 Misfire. I went ahead and changed out all the plugs and wires, as well as the coil pack. The light went away for a couple of weeks. This page is meant to help you troubleshoot the Jeep Wrangler P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, ... (such as P030X, where X is the misfiring cylinder) or P0300 (random multiple misfiring), it can cause the catalytic converter to overheat, which decreases its efficiency and throws P0430.www.Garagecouple.comBe sure to check out all 4 videos in this series to watch me diagnose this misfire issue:Episode 1: https://youtu.be/tQCg-jDuzlcEpisode 2...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.

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Sep 11, 2021 · P0300 problem. I replaced the spark plugs and wires with ngk everything and I’m still getting this code. Took it for a spin today started fine and took off fine but once I got around the corner I couldn’t get above 40 mph. Came to a stop and engine stalled out. Took a couple turns to get the engine running but it was struggling. 2018 Jeep Wrangler Rubicon Unlimited Aug 22, 2022 #8 JL MADDOG said: P0300 is a random misfire code not specific to any particular cylinder. Try the following: 1. Make sure all your plugs are tight, 2. Check the wires to make sure they are secure and firmly attached, 3.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 … Link Below: Hesitation, low power, Check Engine Light & misfire with this Jeep Wrangler. My scan tool gave a P0300 OBD (DTC) Diagnostic Trouble Code: Interm... 2000 Jeep wrangler Sahara. 185000 miles. Been chasing a P0301 and P0300 (cylinder 1 misfire and random misfire) for awhile now. What Ive done so far. Air sensor, cam sensor, crank sensor, new coil pack, new plugs, checked cat they said it was good, 6 new fuel injectors.P0300 is a random misfire code not specific to any particular cylinder. Try the following: 1. Make sure all your plugs are tight, 2. Check the wires to make sure they are secure and firmly attached, 3. Insure each of the coil packs are fully seated. 4.

Drove the Jeep and after about 150 miles the code popped again. It had a pending misfire at about 50 miles, but at around 150 it went hard. Checked the monitors and Catalyst and Evap were not ready. Note: In California, the Evap monitor does not need to be ready to pass the smog test. 3) Swapped injectors #1 and #2. Drove Jeep with same result ...I have a 2017 Jeep Wrangler Unlimited 3.6L - The check engine light came on and threw the code P0300, so I replaced the spark plugs, the CEL came back on …I get code p0300, random cylinder misfire, and sometimes one or more codes to a specific cylinder (P030X). There are no symptoms - no engine running rough, doesn't die, etc. I can't reliably reproduce the code after blowing it out with the reader, but so far it seems off-roading or bumpy roads (vibration) will set it off. None of which has worked.Aug 12, 2023 · P0300 Code (Random/Multiple Cylinder Misfire Detected) I have a 2009 Jeep JK with 123K miles on it. The spark plugs, spark plug wires, and coil pack assembly were replaced in 2017. The spark plugs were again replaced in December of 2018 (crap plugs). The check engine light came on which turned out to be a P0300 code (Random/Multiple Cylinder ... 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.P0300 is a random misfire code not specific to any particular cylinder. Try the following: 1. Make sure all your plugs are tight, 2. Check the wires to make sure they are secure and firmly attached, 3. Insure each of the coil packs are fully seated. 4.P0038 OBD nightmare. Probably already discussed but not finding anything to help me out. I have an 08 Wrangler unlimited X. Check engine light pops on, check it out with a scanner and received the P0038 high bank 1 sensor 2 heater circuit code. Replaced both number 2 (after cat) sensors, drove it for a while, light still on, disconnected the ...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 …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 ...

The P0300 is a misfire, maybe you have a plug wire that isn’t seated right and the moisture is shorting something. It would go away with heat from the engine. You could try replacing your plug wires. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail …

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.P2302 Ignition Coil A. 2007 Rubicon, 3.8L. I had a P0300, multiple cylinder misfire and P2302 Ignition Coil 2nd circuit/A Insufficient ionization a few weeks back with the Jeep running awful. I even had the rotten egg smell at the onset but haven't had it since. I haven't really left the driveway though.It is a 2005 rubicon unlimited 4.0L. 165,000 miles. I can feel a slight studded when it is in idle. (Sometimes it's more than slight but that is rare.) It throws the 0300, 0304, 0306 pcodes. 0306 was the original cod thrown. Over time it began throwing the 0300 and 0304. 0306 comes back first before 0304 after a reset.P0300 - Missfire P0305 - Cylinder 5 Missfire p0306 - Cylinder 6 Missfire p0456 - EVAP leak p0432 - Bank 2 Downstream 02 Sensor Quite a lot of codes. So I went to my local part store and purchased a Bosch 02 downstream sensor for my p0432 code. Replaced 02 and all the codes went away. I took the jeep for a test drive and guess what.This page is meant to help you troubleshoot the Jeep Wrangler P0430 trouble code. It covers the P0430 code's meaning, symptoms, causes, ... (such as P030X, where X is the misfiring cylinder) or P0300 (random multiple misfiring), it can cause the catalytic converter to overheat, which decreases its efficiency and throws P0430.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. 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. 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 …Though anti-virus software is designed to protect your computer against harmful programs, it can sometimes get in the way and misidentify safe tasks -- like printing -- as harmful....Would not rev past 4,500 RPM then CEL started blinking and threw P0300, P0302, P0305 and went into limp mode. Pulled over, turned it off, waited 2 minutes, turned it on, ran fine. Runs fine putting around town, runs fine at part throttle on the highway. Full-throttle off idle to 4,800 RPM 1st gear to 2nd gear shift-point, only a slight spark ...

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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 ...That's when it showed P0300. I installed all 4 O2 sensors with NGK sensors as per the O2 sensor thread on here by @Chris hoping it would help but I still have a rough idle. ... Produced from 1997-2006, many consider the …Impressive lineup of Easter Jeep Safari concepts from Jeep® heading to Moab, Utah, April 1-9Seven one-of-a-kind Jeep concept vehicles take four-wh... AUBURN HILLS, Mich., March 30,...Jan 19, 2015 · 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 replace ... 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. 2006 4.0 codes P0016, P0300, and P0339. Thread starter Cajun001; Start date Jul 8, 2020; Cajun001 Member. Joined Mar 3, 2020 Messages 43 Location Baton Rouge, La. Jul 8, 2020 #1 ... Produced from 1997-2006, many consider the Jeep Wrangler TJ to be the last true Wrangler.This morning CEL came on for the fist time in 58k miles, whole jeep was shaking on the highway and also when parked. scanner is showing code P0306, cylinder 6 misfire. 2 weeks ago I installed K&N intake, not sure if this could have been the cause but I have not had any issues until now. my...Do not confuse the simple jurisprudential concept with the complex mathematical theory of chaos. The US Supreme Court is orderly, of course. But today—in debates over rogue voters ...The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persist more tests needs to be done to diagnose problem.The code P0300 indicates there are repetitive misfires on one or more cylinders in your car. You will often find this code together with another code of the specific cylinder the misfire occurred on. If the last digit of the trouble code is not zero, e.g., if the generated code is P0302, the number 2 indicates that cylinder number 2 has a misfire.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 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.Chicagoland. Aug 28, 2018. #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, manual. Last week I changed the plugs and the cam sensor to address getting this code (as well as P0344 and P0335). After that it ran like a top for a couple ...P0300 Code (Random/Multiple Cylinder Misfire Detected) I have a 2009 Jeep JK with 123K miles on it. The spark plugs, spark plug wires, and coil pack assembly were replaced in 2017. The spark plugs were again replaced in December of 2018 (crap plugs). The check engine light came on which turned out to be a P0300 code (Random/Multiple Cylinder ...My 2012 Jeep JKU with about 85k miles, keeps having issues with misfiring, codes P0300 / P0301 / P0303 / P0305 keep popping up. At first I thought it could be spark plugs and/or ignition coils, so i changed all of them to new. I used NGK spark plugs and ignition coils. Ran fine for about 50 miles and then one of the misfiring codes popped up.Now offering an available factory-installed WARN ® winch on Rubicon, paired with the available steel front bumper, the new Jeep ® Wrangler comes equipped to help you handle tricky situations on the trail. Featuring an 8,000-pound rating, this off-roading winch has the strength to help you pull other vehicles to safety or help avoid getting stuck in the mud.Jeep Wrangler Forums. TJ Wrangler Technical Forum Recurring Random Cylinder Misfire P0300 - No Symptoms ... P0300, also a code for the #2 and #5 cylinder. Geez this is frustrating I'm thinking about a new upstream 02 sensor, failing that I have no clue. Any other ideas? 08 JK Rubi (toy) 97 328i (DD) 01 TJ Sport (sold) 97 TJ SE (RIP) …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.P0300 problem. I replaced the spark plugs and wires with ngk everything and I’m still getting this code. Took it for a spin today started fine and took off fine but once I got around the corner I couldn’t get above 40 mph. Came to a stop and engine stalled out. Took a couple turns to get the engine running but it was struggling. Jeep wrangler p0300, Jeep Code P0303 Causes. Cylinder 3 misfires can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. The most common reason for this to happen is faulty or worn-out spark plug coil packs, especially if it’s been a while since you had a tune-up. Faulty or worn spark plugs., 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. This is my personal account., P0300 Multiple Cylinder Misfire. My code reader has a "code connect" it will tell you the most common fixes, starting with the "top reported fix" first. The "top" fix for this code was replace spark plugs. I actually put all new plugs and wires in it back on January 25th. (this is the nice thing about having a "build thread", one can go back ..., 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., Apr 1, 2019 · P0300, P0301, P0305 cyl misfire. Would really appreaciate some answers! Last week CEl came on. i changed the upstream 02 sensor on the passenger side, cleared the light and everything was going well. Then this week it hit me with p0305 (cyl 5). Thought it was the coil that went bad so i switched coil from cylinder 1 to cylinder 5 and 5 to 1. , It recently started running rough at 40mph and throwing P2308 & P0300 codes and flashing the CEL. I charged the battery, swapped the coil pack, wires, and plugs. It continues to throw the same codes and also now idles rough and flashes the CEL. ... Jeep Wrangler Forum. 9M posts 468.9K members Since 2005 A forum community …, Mar 20, 2012 · 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 ... , February 13, 2023 by Jason. P0302 in the Jeep Wrangler is a common OBD II trouble code. It indicates that your vehicle’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your Wrangler’s check engine light to come on, you shouldn’t drive your vehicle at all., =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code JEEP P0302 Saving Repai..., =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code JEEP P0300 Saving Repai..., Are you in the market for a used Jeep Wrangler Sahara? With its iconic design and off-road capabilities, the Wrangler Sahara is a popular choice among adventure enthusiasts. Howeve..., A Jeep Wrangler’s starting issue is usually caused by electrical problems, such as a malfunctioning neutral safety switch or starter. In order to correctly repair a Wrangler with a..., Aug 12, 2023 · P0300 Code (Random/Multiple Cylinder Misfire Detected) I have a 2009 Jeep JK with 123K miles on it. The spark plugs, spark plug wires, and coil pack assembly were replaced in 2017. The spark plugs were again replaced in December of 2018 (crap plugs). The check engine light came on which turned out to be a P0300 code (Random/Multiple Cylinder ... , Oct 25, 2016 · 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 4, 2022. #1. We have owned our Jeep for roughly two months. Code p0300 multiple engine misfire detected has popped up now 3 times. First time, took it to the dealership. They found failing coil packs and replaced three. Also had them replace all the spark plugs. Second time, took it to the dealer, no issues found., 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?, 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., 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. , P0137 is a fairly common OBDII code that occurs in the Jeep Wrangler, it’s a general code. This means that it has the same meaning for any vehicle. This code is supposed to let you know that there is an issue with the wiring or harness going to the sensor, or the sensor itself is bad. There are other things that cause P0137 to populate., Apr 8, 2023 · You can fix The Jeep P0300 Error Code by replacing worn-out or damaged ignition components like spark plugs, and ignition coils. You can also check the spark plug wires and replace them if there is an issue. , A Jeep Wrangler’s starting issue is usually caused by electrical problems, such as a malfunctioning neutral safety switch or starter. In order to correctly repair a Wrangler with a..., P0300 - Multiple/Random Cylinder Misfire. For a while, my check engine light would come on, and then go away after a while. My OBDII+Torque read P0300 and P0306. So Random/Multiple Misfires, and Cylinder 6 Misfire. I went ahead and changed out all the plugs and wires, as well as the coil pack. The light went away for a couple of weeks., 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., March 14, 2022 by Jason. P0600 is a relatively uncommon OBD2 trouble code. It indicates that there’s been a communications failure between your Jeep Wrangler’s ECM and one or more of the separate modules that it communicates with. P0600 is a generic trouble code, so it has the same meaning for the Jeep Wrangler as it would any other vehicle., 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 …, Engine misfire. How to fix a random misfire in your car DIY with Scotty Kilmer. How to stop random engine misfire code P0300 with check engine light on. Engi..., May 6, 2021 · =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code JEEP P0300 Saving Repai... , 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., P0300 is the only code you have? Can you get the freeze frame data? Gasbuggy. Thread starter. Joined. Aug 26, 2009. Messages. 3,037. Location. PA. Mar 2, …, 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., 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. , 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 …, 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.