🫎 Jeep Grand Cherokee Code P0300

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 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'm getting a rough idle accompanied with a P0300 code. Jeep drives fine but obviously want to resolve the issue and not risk long term damage. My rig: 2021 Trackhawk, ordered June of '21 and took delivery in September. Currently at 5,478 miles. A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why. 0132 According to my code list, P0016 = Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A). I do not know if it is safe to drive or not. Hopefully another member will be able to help you with that. P. PullingTeeth Discussion starter. 34 posts · Joined 2011. #3 · Nov 15, 2014. I have had a misfire on my 05 Grand Cherokee for about 2 months now. The code is P0300. So it is a random misfire. What i have replaced/done so far: O2 Sensors (Mopar) Spark Plugs ( Gapped correctly and used Champion which are the OEM ones) Fuel Pump (Mopar) Fuel pressure is now at 60 +-2. Camshaft Position Sensor (Mopar) Compression Test 175 All quiet for 10-12 days, and then it triggered again. I didn't bother to read the codes for a couple days, but now that I have it's the 0302 codes again and P0300 also. Based on research I've since done, I'm fearful this is a cylinder head issue, especially now with the P0300 code. 2014 JKR Granite Crystal, 5.13 Auto: RK X Factor 2.5 Inch Lift, Artec Front and Rear Truss, Artec Rear LCA Mounts/Skids, Poison Spyder HD Crossmember, Rock Hard Gas/TC/Evap/Oil Skids, Rough Country Diff Sliders, Nitto Trail Grapplers 37x12.5x17, Pro Comp 97 Series Wheels, Synergy Weld On Rear Trackbar Bracket, PSC Hydroassist, T6 Aluminum Tie Rod, G2 Gold Chromoly Axle Shaft/RCV front axle For the new play by play misfire video click here:http://www.youtube.com/watch?v=Sg7iFytxfzQMisfire Trouble Shooting: 30 to 60 minutesIf your car is running It’s generic code, which means that it means the same thing for the Jeep Grand Cherokee as it would for any other vehicle. When the PCM sees voltage at cylinder 2 that is out of the normal operating range, it’ll trigger this code. P0202 is usually caused by a bad fuel injector or wiring issue. If the misfire were in cylinder 1, you’d get R. Roan Discussion starter · Jan 31, 2020. Hi everyone. My check engine light of my 2013 jeep grand cherokee went on. Stayed on did not blink. Took it to a mechanic right away for diagnostic. It was a p0305 code (misfire in cylinder 5) they turned it of and said to watch if it returned. Has not returned. I don't feel anything wrong or loss of The P0305 trouble code will trigger the Grand Cherokee’s service engine soon light. The vehicle itself may begin to run rough. It depends on how serious the misfire is. The vehicle may produce excess vibration, especially at lower RPM. Fuel mileage may suffer. You may smell raw gas coming from the tailpipe. 2672 posts · Joined 2009. #6 · Apr 20, 2011. Crankshaft position sensor is RHS rear, by flywheel. Camshaft position sensor is RHS front, by alternator. Look in Section 14 of the FSM. HEMI CLUB MEMBER #45; SILVER WK CLUB MEMBER #13. '08 WK GC Limited. 5.7L HEMI. Quadra-Trac II. When the PCM detects unexpected high air flow entering or bypassing the ETCS (from a vacuum leak, etc.), it will set the P2172 code. Note: The definition of code P2172 might be different depending on the vehicle manufacturer. Consult the appropriate repair manual or online repair database for the exact code definition. klockdoc said: I checked the codes this AM and got a #1 misfire, code p0302. P0302 is a #2 misfire, not a #1. The last digit tells you at which cylinder to look. If you get a P0300, then that is a random misfire on multiple cylinders. klockdoc said: They said it could be an injector or plug. That is good advice. j5jso.

jeep grand cherokee code p0300