What is diagnostic code po304?
Diagnostic trouble code (DTC) P0304 stands for “Cylinder 4 Misfire Detected.” The code indicates that the powertrain control module (PCM), has counted enough misfire events on cylinder 4 to store the misfire code for that cylinder.
What does the Diagnostic Code p0304 mean on a car?
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.
Why does my check engine light flash p0304?
Along with shown code and the Check Engine light that flashes, these are some other symptoms that you may notice. What Are the Possible Causes of the P0304? There are many possible causes behind the P0304 code. The most common causes include defective or worn-out spark plugs, defective spark plug wires, and faulty distributor caps.
When do you need to fix a p0304 misfire?
When P0304 occurs, it should be fixed immediately as long term driving with engine misfires could cause consequential damage to your engine. Many times, P0304 occurs when there are worn out spark plugs, spark plug wires, or a faulty ignition coil.
What does code p0301 mean on coils?
If the misfire indicates code P0301, then you’ll know that the plugs are defective. Replace the spark plugs and spark plug wires and check if the code is still present. The same applies to individual coil packs.
What does a p0304 code on a cylinder mean?
A P0304 code tells you only that a misfire has been detected, not WHY the cylinder is misfiring. That’s why with this code, a thorough diagnosis is mandatory.
Along with shown code and the Check Engine light that flashes, these are some other symptoms that you may notice. What Are the Possible Causes of the P0304? There are many possible causes behind the P0304 code. The most common causes include defective or worn-out spark plugs, defective spark plug wires, and faulty distributor caps.
When P0304 occurs, it should be fixed immediately as long term driving with engine misfires could cause consequential damage to your engine. Many times, P0304 occurs when there are worn out spark plugs, spark plug wires, or a faulty ignition coil.
What causes a misfire on a number four cylinder?
The P0304 code is caused by a misfire on the number four cylinder. The Misfire monitor diagnostic is based on variation in crankshaft velocity. The PCM determines this information using the crankshaft position sensor and camshaft position sensor. A misfiring cylinder slows down momentarily,…