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#Po 300 how to#
#Po 300 code#

#Po 300 how to#

Here’s a great article from Popular Mechanics on how to detect a vacuum leak.

Also, since a vacuum leak almost always affects each cylinder the same, you’ll typically get P0300 with it and not any cylinder specific misfire codes. This will cause the cylinders to misfire and it’ll throw the P0300.

Vacuum leak– If your 300 has a vacuum leak, it can be very difficult for it to get the right air/fuel mixture.

Here’s some information on how to tell if you have a bad fuel filter.

But, it’ll sputter and act like it’s going to die at speed or under heavy acceleration. Typically, if you do have low fuel pressure, the vehicle will act fine when it doesn’t need a lot of fuel. Diagnosing low fuel pressure can be tricky.

Low Fuel Pressure– If there isn’t enough fuel getting to the engine, this will cause combustion to be less than optimal.

They are presented somewhat in order from most to least likely to be causing the code: Here are the most common problems that will throw the code.

#Po 300 code#

There are quite a few things that can cause the P0300 trouble code to trigger in the Chrysler 300. P0300 Trouble Code Diagnosis- Chrysler 300

The vehicle may produce excess vibration, especially at lower RPM conditions.

It depends on how serious the misfire is.

The vehicle itself may begin to run rough.

The P0300 Chrysler trouble code will trigger the 300’s service engine soon light.

Something is causing cylinders to misfire at random, which is a lot less cut and dry than a cylinder specific misfire code.

P0300 is a general and random misfire code, which means that the code is not going to tell you which cylinder is causing the misfire. If you have P0300 and one of these other codes, the cylinder indicated by these cylinder specific codes would be where to start looking for your problem. These particular codes also indicate that there is a misfire detected, but they specify the cylinder it is taking place in. It will often be accompanied by codes P0301-P0308. P0300 is certainly a cause for concern, and can be a threat to the drivability the Chrysler 300. P0300 is one of the most common OBDII codes that occurs in the Chrysler 300.