Error Code P3457: What It Means & What To Do?

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Is the oil passage blocked? Does the engine light flash very often? Then the P3457 error might be stored. Most manufacturers have started utilizing the cylinder deactivation system to reach the fuel and emission standards. This will make the PCM to delimit selected cylinders when extra power is not required from the engine during certain conditions like idle or cruising. The P3457 error will be set, if the PCM identifies that the intake valve for #8 cylinder does not function as expected.

Permitting the cylinder deactivation feature is the sole purpose cylinder 8 deactivation/intake valve control circuit as it improvises fuel economy when the load operation seems to be light during highway driving. The ECM will look after the 4 or 8 cylinder modes of the engine as it involves intake deactivating solenoids for four of the engine cylinders. The code refers to #8 cylinder and the other 3 in this procedure is identified by engine order and firing configuration. Near the intake in the vicinity, the #1 cylinder deactivation solenoid is placed depending on the configuration of the specific vehicle.

What causes this problem with the Cylinder 8 Deactivation/Intake Valve Control Circuit/Open?

• The cylinder deactivation solenoid might be malfunctioning.
• The cylinder deactivation solenoid might have broken, open or shorted wires.
• The electrical connection of the cylinder deactivation solenoid might turn out to be weak.
• Oil passage might be controlled.
• The oil pressure will be less.

1. Engine Control Module - The behavior of your engine will be very erratic if the ECM is faulty or broken. Get it fixed or replaced as soon as possible.
2. Powertrain Control Module - Powertrain control module will monitor and compensate for any change in altitude and looks after the overall health of your car. The right replacement for your faulty powertrain control module can be found at PartsAvatar at the best prices.
3. Intake Valve - Is the intake valve broken? Fix them soon so that you can avoid P3457 error code from getting stored in your vehicle.
4. Exhaust Valve - Does your engine idle very often? Then it’s a high time to replace the exhaust valve as they can be damaged or defective.
5. Oil Pressure Gauge - A faulty or damaged oil pressure gauge can give rise to the P3457 error code. Replace them immediately to avoid further troubles.
6. Valve Timing Solenoid - The valve timing solenoid can turn out to be damaged if the check engine light is faulty. Replace it instantly.

For us our customers are everything, and that’s why we will help you to diagnose P02BA code by mentioning some important symptoms below:

Common Symptoms

• The engine performance might be poor.
• Fuel consumption will be more.
• You will see a warning light from the service engine or the engine light may be on.
• Misfiring condition will prevail.

After you know the symptoms of your vehicle’s problem, it becomes easy to detect it and get

started with solving it. So, next on our list is a few common steps to correct this issue with your vehicle’s.

• Oil and filter must be altered.
• Damaged variable valve timing solenoid has to be fixed.
• Clearing the oil passage that is blocked.
• Corroded connectors have to be cleaned.
• Changing cables.
• ECM has to be changed or flashed.

Apart from this, you might need to replace other damaged parts too like ECM, PCM, intake valve, exhaust valve, oil pressure gauge, valve timing solenoid and more. You can easily find all these parts with us. Not only that you can get these parts shipped to your door free if your cart value happens to exceed $99.

If you want to easily diagnose this fault code, then all you have to do is to follow the steps which are mentioned below:

Fluid & Wiring Inspections

• Start the troubleshooting method and check for the correct technical service bulletins that are precisely considered for your vehicle by year, model and transmission.
• This can guide you on the right path by saving a lot of time.
• Based on your vehicle, the circuit may include several other modules such as deactivation solenoid, switches, fault indicators, and the ECM.
• Check for damages such as scraping, rubbing, or burn spots by visually checking these elements as well as the connectors and its connections to make sure it is safe.
• Connectors, as well as its connections, must be carefully inspected for erosion, defective pins, and security.
• The ECM along with the wiring connections and other components have to be carefully inspected.
• Look at the specific tech data of the vehicle and look for the configuration of the cylinder 8 deactivation intake valve control circuit and approve that every part which is in the circuit as it may contain the fuse or a fuse-able link in some applications.

Advanced Steps

• Each vehicle has its own specific and advanced procedure and so you’ll need a proper tool to diagnose them.
• Start processing with the help of a digital multimeter and correct technical reference of your vehicle.
• Voltage requirement will change for every vehicle and so it is wise to use a particular troubleshooting chart for your vehicle.

Voltage Checks

• Based on the specific vehicle and configuration of the circuit, both the reference voltage and acceptable range will be changed.
• Troubleshooting charts and the appropriate sequence are included in the specific technical data to help with the proper diagnostic procedure.
• Continuity test has to be done to check the integrity of the wires, connectors and other connections if there is no power source or ground found in the process.
• Carry out the continuity test by removing power from the circuit and 0-ohm resistance must be set as normal reading for wires and connectors.
• The faulty wires which are open, shorted or eroded must be replaced or fixed if there is no resistance or continuity.

Common mistakes when diagnosing the P3457 code

• There might be some problem with the electrical wires.
• PCM might be malfunctioning.
• Decreased engine oil level.
• Damaged variable valve timing solenoid.