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What iRANDOM MISFIREs po300 mean - Cars & Trucks

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I'm not 100% sure but a misfire is when a cylinder isn't firing properly. If this is an automobile and fuel injected there can be different causes. These are just a few, bad injector on those cylinder, a bad coil if it has individual coils, bad valves inside the cylinder head, faulty spark plug wires, bad spark plugs, and many more.

Posted on Dec 13, 2014

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2001 grand Cherokee. Code P0300


po300 is a random misfire, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why. If it was a po302 this means its #2 cylinder thats misfiring,ETC, But po300 could be any one of the cylinders. check plugs, wires, fuel injectors, Etc. Good-Day!

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I'm trying to find out what po303 and po300 means


P0300: Random/Multiple Cylinder Misfire Detected
P0303: Cylinder 3 Misfire Detected
It looks like cylinder 3 isn't firing properly.

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What does po300 mean


PO300 is a RANDOM MISFIRE

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po300 is Random/Multiple Cylinder Misfire Detected.This means the PCM sees misfires on more than one cylinder,so it's probably a fuel issue.You might have a bad fuel pump(bearings are binding,causing low fuel volume).It could be the in-tank filter is plugged up,or maybe the in-line filter.Start with the easiest-the in-line filter.

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These are cylinder misfire codes meaning ;
P-0300 = RANDOM OR MULTIPLE MISFIRE
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I have 1999 318 4x4 dakota with fault coads


These are misfire codes.This means that your vehicle is missing.The 300 is a random misfire and the 305 is for cylinder 5,and the 306 is for cylinder number 6.Check the plugs if they are good then you could have bad coils.They are top of the plugs.Hope this helps.Good luck.

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I have tow of the three requested codes. po300 is misfire detected at multiple cylinders. See po301-306 represent the cylinder # misfire. So 301 is cylinder #1 misfire.

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The code P0300 is a random misfire code which means any cylinder and the code P0316 means that there is a misfire code set within the first 1000 revolutions of the engine. Good luck with this problem.

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P0300 is a random misfire code and P0316 is a misfire detected in the first 100 revolutions could be plugs or coil, wires? How many miles and was it ever tuned?

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