How do I fix my p304 code?
What repairs can fix the P0304 code?
- Spark plugs replacement.
- Replacement of cap & rotor, coil pack, plug wires (depending on vehicle)
- Repair of engine mechanical issues.
- Fixing air leaks.
- Repair of fueling faults.
Why is my car idling up and down?
If an engine is not getting enough fuel (this is called “running lean”), due to fuel pressure (regulated by the fuel pump and regulator), restricted fuel injectors, a vacuum leak or really anything that throws off the fuel mixture going in to the engine, this can cause the surge.
What causes a p0304 engine misfire in a car?
A misfire from one or more cylinders can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. When P0304 occurs, it should be fixed immediately as long term driving with engine misfires could cause consequential damage to your engine.
What does diagnostic trouble code p0304 mean?
The diagnostic trouble code P0304 signifies that a misfire in the engine was detected by the vehicle’s computer system. To be more specific, this misfire happens in the fourth cylinder. Are you trying to get rid of code P0304?
What does a cylinder 4 misfire code mean?
P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code. An important thing to understand when finding the location of Cylinder 4 is that it’s going to be the 4’th cylinder in the firing order of the vehicle, and not the 4’th cylinder that you might see when looking at the engine.
What does p0301 mean on a spark plug?
If your vehicle is equipped with individual coil packs instead of spark plug wires, start by removing the cylinder 1 coil and swapping it with the cylinder number 4 coil. If the misfire moved to cylinder number 4 (P0304), then you have determined that the coil pack is faulty and needs replacement.