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 getReceived 88 Likes on 77 Posts. Year: 1999. Model: Cherokee. Engine: 4.0. P0300 is a code for "random / multiple cylinder misfire". Because a particular cylinder isn't noted in the code, the first thing I check for this code are things that are " common " to all the cylinders. And that starts with fuel pressure.
What Does Jeep Grand Cherokee Code P0420 Mean? Codes like P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, and P0308 are misfire codes, and these codes 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. There can be different reasons causing the P0301 code to show up in your Jeep. Symptoms of a P0301 code vary depending on the cause. Here are some common symptoms of a P0301 code: A hard start or no start. Decrease in power. More fuel consumption. Stalling periodically, especially when the vehicle is idle. Rough idling.P0300 Random misfire P0339 Cranshaft Position Sensor P0455 EVAP System Large Leak P0456 EVAP System Small Leak P0016/P0300/P0339 are all related and could be the crankshaft position sensor. It could also be the camshaft sensor or a wiring/connector issue. P0455/P0456 are related possibly bad gas cap
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