Error Code P3449: What It Means & What To Do?

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Is your engine creating misfire issue? Is your vehicle consuming more fuel than usual? Or you are experiencing decreased engine performance these days? If your answer is ‘YES’ to all these questions, then we have no good news to tell you. Chances are that your engine is set to P3449 obd error code.

Now, what is this alien code - P3449? Let’s have a look at the sections below to understand it better

This error code is a generic powertrain diagnostic trouble code (DTC) that applies to many OBD-II vehicles such as Mercedes-benz, Jeep, Mazda, Ford and many more. Now, let's try and understand what is this P3449 error code in a simple layman language. OBD error code P3445 will be set by your vehicle’s engine control module when it senses some performance problems with the voltage or resistance in the cylinder 7 exhaust valve control circuit. To know more about this error code and few of it’s common causes, take a look at the section below.

What causes this problem with the Cylinder 7 Deactivation/Intake Valve Control Circuit/Open?

• Malfunctioning variable valve timing solenoid
• Low oil pressure
• Low level of engine oil
• Blocked oil passage
• Faulty system wirings
• Bad connectors
• Faulty engine control module

1. Engine Control Module - Engine Control Module also known as your vehicle’s brain if faulty can be really troublesome. Don’t take risk and replace faulty ECM today to get rid of this error code P3449.
2. Engine Oil - Fuel Cap is perfectly fitted but you still find the trouble code P3449 flashing? In such a situation your engine oil might not be the appropriate one according to your vehicle’s specifications. Why don’t you think of checking our website for our wide range of engine oils?
3. Fuel Injector - While the engine misfires, it overheats very fast and pre-ignites the mixture of fuel. A damaged fuel injector not only results in issues while driving, but the effects will persist even when the engine is running low on energy. Instead of a smoothly slowing engine, it will be rough and irregular when the fuel storage is unexpected.
4. Exhaust Valve - Searching for exhaust pressure control valves for your vehicle make? If yes, then you can easily find that with us. We have in stock high end exhaust pressure control valves from top brands.
5. Powertrain Control Module - You really need to believe this when we say that PCM failures and faults can be very difficult to find and resolve as these are very rare and might require a complete reprogramming of the system to avoid wrong codes from getting stored in the system, leading to misdiagnosis of error code P3449. Replace it now!
6. Valve Timing Solenoid - Chances are that if you are facing OBD error code P3449 your valve timing solenoid is damaged and is demanding for a quick change. So what are you waiting for? Buy a new one with us now.
7. Intake Valve - Since intake valves are responsible for controlling the amount of working fluid entering the cylinder of an engine, so it makes it extremely important to make sure that you have the right one installed in your vehicle.

Have you ever wondered why is it so important to know the symptoms of the problem? Well, it is extremely essential to know the symptoms of the problem in order to detect it. Keeping this in mind, let’s throw some light on a few common symptoms of OBD error code P3449

Common Symptoms

• Raised fuel consumption
• Falling engine performance
• Misfiring engine
• Flashing check engine and service soon engine lights

Once 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 few common steps to correct this issue with your vehicle’s

• Your first step is to start repairing the deactivation solenoid, if found faulty
• After this, make all the connector corrosion free
• Loose, damaged or corroded wires can be problematic, so make sure to get rid of them and repair or replace them
• Repair or replace the blocked oil filter
• Block free all the oil passages
• Lastly, Make sure to fix the faulty engine control module

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 like Ecm, Pcm, Intake Valve, Exhaust valve, Oil pressure gauge, valve timing solenoid in stock from you, ranging from all replacement parts to all interior and exterior parts

Here are some steps which you should follow in order to diagnose this fault code P3449:

Start by checking the engine oil and check if it is serviced up to the needed level. Once this is done, then the next step is to look for all the related components and parts with the cylinder 7 exhaust valve control circuit. Once located, check for any physical damage through an in depth visual inspection. Check the wiring and connectors for any bare wires, burn spots, scraped etc.

After all of this contact a technical to check for the configurations and see if every incorporated component within the cylinder 7 exhaust valve control circuit is in good shape.

Advanced Steps - These steps will be vehicle specific and will need few technical equipment to ensure safety and accuracy. You will need a digital multimeter and technical references. Here the oil pressure gauge will help you in your troubleshooting process.

Voltage Checks - Also the required voltage will depend upon the specific vehicles and the circuit configurations. In case you diagnose the lack of power source or ground, then you might require continuity tests to check the wiring integrity, connectors integrity and other components. Also perform the continuity tests with the power removed. No continuity will be an indication of faulty wiring that is open, shorted or corroded and must be repaired or replaced.

Common Mistakes When Diagnosing the P3449 Code

Beware of the following misdiagnoses

• Low engine oil level
• Faulty powertrain control module
• Faulty vvt solenoid
• Issues with the system wirings