P0301 is a common OBDII trouble password that appears in the Buick Lucerne. The stands for:


P0301 have to be taken into consideration a reason for concern, and can be a hazard to the drivability her Lucerne. The one nice thing around P0301 is that it is a cylinder specific misfire code. This makes diagnosing the troubles simpler than P0300, which way that the cylinders are randomly misfiring.

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It will frequently be add by password P0302-P0308. These details codes indicate that there is a misfire in among the various other respective cylinders.

Fixing P0301 must be a high priority. Driving v a misfire can damage that catalytic converter, and raw fuel will certainly pass with the cylinder right into the exhaust. Typically, fuel mileage will suffer as well.

Buick Lucerne P0301 Definition


P0301 is a cylinder particular misfire code, which method that cylinder 1 is misfiring and also causing the code. An important thing to know when recognize the place of cylinder one is the it’s walking to be the an initial cylinder in the firing order of the vehicle, and not the an initial cylinder that you could see as soon as looking in ~ the engine.

Lucerne P0301 OBDII code Symptoms


The P0301 Buick trouble password will trigger the Lucerne’s company engine quickly light. The vehicle itself may begin to operation rough. It depends on exactly how serious the misfire is. The auto may develop excess vibration, particularly at reduced RPM. Fuel mileage will certainly suffer.

P0301 Trouble password Diagnosis- Buick Lucerne

There are rather a couple of things the can reason the P0301 trouble password to create the Buick Lucerne . Here are the most usual problems that will certainly throw the code. They are presented rather in bespeak from many to the very least likely come be leading to the code:

Cam or Crank Sensors– This one is very unlikely, but it walk happen. If the ECU is not acquiring the best signal from this sensors, the vehicles timing is not going come sync up and it’ll misfire. Low Compression– If you have a leaking head gasket, bending valve, cracked head, etc.. That would cause compression to not be as high as it should, you’re walking to obtain P0301. You should likewise feel the automobile is under on strength as well.

Most typical P0301 Fixes

If you monitor the items provided above you should have the ability to fix the P0301. Here’s how to go around it:

Inspect and test the components of the ignition system roughly cylinder 1 to determine whether or not you need to replace the coil packs, plugs, or wires. Most of the moment that’ll be it. Girlfriend can constantly reset the trouble codes and also swap the coil pack, wire, and plug indigenous cylinder 1 to another.

If you gain a different P030X code, you’ll know that among those three materials is bad. Walk ahead and replace castle or have actually them tested. It’s one easy, and also cheap an approach of identify if her ignition components have gone bad.

After the you would want to check the fuel injection system. There space links above that’ll show you just how to execute that. If that doesn’t work, it may be time to do a compression test and also see if you have a leak in that cylinder.

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Is P0301 a serious Concern?

P0301 is cause for concern and left unfixed can acquire worse. Resolving the problem causing the password to fire have the right to save you time and money and keep her Buick from break down. Quick activity may also save her catalytic converter indigenous ruin.