What is P0304 cylinder 4 misfire detected?
P0304 indicates that cylinder number 4 is experiencing misfires. A misfire occurs when an insufficient amount of fuel is burning in a cylinder. The efficient burning of fuel is essential to engine operation as the combustion of fuel is what provides the energy to power the engine.
What does the p0304 code on a cylinder 4 mean?
P0304 is a diagnostic trouble code seen when a misfire is detected in cylinder 4. This code may be seen with other misfire codes and lean / rich codes. What the P0304 code means. The P0304 code will be seen in cars where the ECU has detected that cylinder 4 is not firing properly.
What is the error code for cylinder 4 misfire?
Error Code P0304: Cylinder 4 Four Misfire Detected. Error Code P0304 is described as Cylinder #4 Misfire Directed, which means the vehicle’s computer has detected an engine misfire, specifically with the fourth cylinder.
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 causes cylinder 4 on a Chevy Tahoe to misfire?
The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 4 into the exhaust. Mileage may suffer as well when your Tahoe has P0304 as well. P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code.
What does code p0304 mean?
A P0304 code means that the the car’s computer has detected that one of the engine’s cylinders is not firing properly.
What causes random cylinder misfire?
If you lose a spark, whether from lack of coil voltage or any other reason, this can also lead to a cylinder misfire. If your fuel/air mix isn’t well balanced, meaning that too much or too little air is getting into the engine, you might see the same result.
What does error code p0204 mean?
P0204 Error Code Definition. The P0204 error code defines a malfunction of the cylinder four-injector circuit. Common in all OBD-II vehicles (meaning all vehicles since 1996), it can be easily mistaken for any error in the P0200-P0208 range. Even though the diagnosis process is similar, repairing this code is very different from repairing others in the same range.