Error Code P2344: What It Means & What To Do?
OBD Code P2344 - Cylinder 9 Above Knock Threshold
Are you wondering as to how this error code got stored in your
vehicle? Keep reading further to know more information about the P2344 error
code. When this error code is set in the vehicle, it actually means that the
voltage input reading which is received from the #9 cylinder is not within the
anticipated parameters. The function of the knock sensor is to let the PCM know
about any strange noises which relate to the cylinder detonation.
Learn More About OBD Error Code P2344
The sensor functions as a type of microphone, which carefully listens to the ping noise that the cylinder makes when the engine fires. The circuit of the knock sensor is usually made up of 5-volt signal wire.
What causes this problem with the Cylinder 9 Above Knock Threshold?
- The knock sensor might be broken.
- The wires or the connectors might be
defective or the connections might be loose.
- Irregular fuel to air ratio which
causes a difference in cylinder ignition.
- Malfunctions due to the firing of other cylinders.
Replace/Repair These Parts To Fix Code P2344
- Knock sensor - Avoid the P2344 error
by replacing the damaged knock sensor as it can cause engine performance issues.
- Cylinder head
gasket - Presence of white smokes and bubbles from the radiator is an indication
that the cylinder head gasket is faulty. Replace it as quickly as possible.
- Sensor connector - Avoid the P2344 error
code be replacing the faulty sensor connector from PartsAvatar at the best
prices online.
- Intake manifold - A damaged intake
manifold will show a decrease in power, fuel economy and acceleration. It is
best to replace it as instantly as possible.
- Engine control
module - The engine control module is considered to be the brain of the engine
management system. So if your ECM is not functioning properly, then an
immediate replacement is needed so that the system functions normally.
- Fuel injector
- Does your engine face trouble during acceleration? Does your vehicle
experience start trouble? Then the fuel injector can be defective. Change them
as soon as possible.
- Spark plug – If the vehicle
experiences difficulty in starting, then the spark plugs can be malfunctioning.
Change the defective spark plugs instantly.
- Powertrain
control module - A faulty PCM can cause misfiring issues
and the engine behavior might also be erratic. If your vehicle is causing
misfiring issues, then it is because of a faulty powertrain control module.
Shop them from Parts Avatar at best prices online.
Symptoms Of The OBD Error Code P2344
Next important thing you need to know about are the common symptoms for this OBD error code P2344 with your fuel volume control.
Common Symptoms
- The engine light will keep flashing by
staying on for more time or it may blink on and off irregularly.
- Acceleration by the vehicle will be
slow, power will be low while driving and you will witness spark knock.
- Spark knock might occur due to fuel detonation other than the anticipated proper burn as firing by the cylinder which is also known as engine knock or pinging.
How To Correct P2344 Cylinder 9 Above Knock Threshold
Wish to correct this error code with your vehicle? Do you know what all you should do to make your car free from this code? Well, don’t worry! We are here to guide you.
- The damaged wires or connectors of the
knock sensor must be changed.
- Changing the knock sensor.
- Replacing the damaged engine components
like a fuel injector.
If you need parts to fix this issue, you no longer need to search for them. We at PartsAvatar Canada have an extensive range of auto parts in stock from you like PCM, ECM, spark plug, intake manifold, fuel injector, knock sensor, cylinder head, sensor connection ranging from all replacement parts to all interior and exterior parts.
Easy Diagnosis Of Engine Error OBD Code P2344
If you want to easily diagnose this fault code, then all you have to do is to follow the steps which are mentioned below:
- Diagnosing this DTC may require:
- Attach a scan tool to the vehicle so
that the data can be recorded and if there are any concurrent trouble codes
they can be noted.
- If there are any diagnostic trouble
codes in the computer of the vehicle, they have to be cleared first and then
the vehicle has to be tested to see if the problems keep showing up.
- Every wires and connector have to be
checked for erosion and other defects.
- Visually check for any loose
connections.
- The conditions, as well as the level of
the engine oil, has to be carefully inspected.
- Carefully listen to the engine while it
keeps running to see as to if there is any unnecessary noise which can be
heard.
- The pressure has to match the
specification of the manufacturer and so a manual oil pressure test has to be
performed.
- The reference voltage has to be checked
by separating the connector of the knock sensor.
Common Mistakes When Diagnosing The P2344 Code
- The calibration of the fuel injector must move into the PCM.
- The fuel injector might be faulty.
- Malfunctioning of the PCM.
- The electrical wires might cause some problem.