What is the P0284 fault number? What is the Cylinder-8 Additive/Balance Fault Failure description? How do you fix the P0284 fault code What are the causes and symptoms of the P0284 error code?
What is the P0284 Fault code? What does it all mean?
If the powertrain controller module (PCM), detects that the fuel injector for cylinder 8 is performing less than expected and destabilizing engine performance, P0284 is set. It is activated when the crankshaft sensor detects that cylinder 8 isn’t contributing to engine power or the crankshaft is not moving as expected.
This code means that cylinder 8 is experiencing a fuel problem when it ignites. The PCM measures the crankshaft speed increase when the cylinders have been fired. If the PCM detects that 8th cylinder is producing less than other cylinders’, it will trigger the fault code P0284.
This test is performed by the PCM to verify that the fuel injectors are working correctly. A similar test can be performed by an auto mechanic. When the engine is running, the mechanic will unplug one spark plug and note the drop in the cylinder. If the difference between cylinders exceeds 10%, it is likely that there is a compression problem. Repair is required for any cylinder with a drop in RPM of more than 10%. These tests compare crankshaft speed. To avoid any damage, this fault must be fixed immediately.
What causes the P0284 Fault code?
To ensure that a vehicle’s engine works properly, it must be able to fire its cylinders in the right sequence. This is how the engine creates the power necessary to ignite the fuel and get your car moving. An engine can have many problems.
Here are some reasons why P0284 should be set.
- Cylinder 8 injector doesn’t inject enough fuel.
- – Wiring and connector problems to the fuel injector 8 cylinder 8 may cause damage, short circuits or other issues.
- Leaky fuel injector
- Low fuel pressure, low fuel quantity or blocked fuel filter due to faulty fuel pump or clogged fuel filter
- – Compression problems with cylinder 8 (due rocker, lifter or cam failures, circlip failures, or cylinder headgasket failures).
What are the symptoms of P0284 Malfunction Code?
You may experience the following symptoms if your vehicle has the code P0284:
- – Illumination for the check engine light
- – Fluctuations at idle speed
- – Engine hesitation or stumbling during acceleration
- – Increased fuel use
- Engine misfire on Cylinder 8
- In certain cases, the engine could stall.
- – Exhaust fumes emitting black smoke
How to Fix the P0284 Fault Code
This fault code can be easily fixed by replacing the injector and not checking for damage. It is important to first delete the code and verify that it does not return. Before replacing the injector, it is important to test the fuel pressure and volume.
The following repairs may be able to resolve the P0284 fault code:
- – Repair or replacement for the wiring and connectors in the 8-cylinder fuel injection.
- – Clean the fuel injector
- Repairing a damaged fuel injector
- Leakage repair of injector gaskets
- – Replace the fuel filter
- – Replacing a faulty fuel pump
- Repair of low compression problems in the 8th cylinder
- Troubleshooting problems with your PCM
How serious is the P0284 fault code?
This fault code should not be taken lightly as it could cause engine problems. The fault code could cause your vehicle’s performance to suffer. To avoid further damage to your vehicle, it is highly recommended that you have the vehicle diagnosed as soon as possible.
