Guide To P207B OBD Error Code Solutions

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Are you experiencing decreased engine performance and acceleration? Is there a problem of reduced fuel economy? Is your car’s Check Engine Light On and the vehicle is going into failsafe mode? Then, there can be a problem of OBD Code P207B being stored in the Powertrain Control Module (PCM) of the vehicle.

The intake manifold tuning valve is responsible for managing the air flow through the engine at higher speeds. The powertrain control module takes help of the intake manifold tuning valve position sensor to know if the tuning valve is working properly or not and sets OBD code P207B if there’s any problem for the Bank 2.

What causes this problem with the Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance Bank 2?

• A bad driver in the PCM (likely)
• A faulty intake manifold tuning valve
• An open or short in the intake manifold tuning valve control circuit
• A loose connection within the circuit
• Faulty fuel injector control module

1. Engine Control Module - Want to know the most common reason behind the failure in the engine control module? Corrosion or damage because of moisture can cause ECM failure. Corrosion might enter the ECM through the wiring harness and moisture can enter by a failure in the seals in the ECM itself.
2. Powertrain Control Module - The PCM makes the engine and transmission work in tandem. Any issue with the powertrain control module will cause major problems with the efficient running of the vehicle.
3. Electronic Control Unit - If your vehicle fails to start for no apparent reason, this is also a good indicator that there can be some issues with the ECU. If you check the car battery, starter and other common electrical components, and the vehicle still does not start, a quirky electronic control unit should be the next logical thing to consider.
4. Diagnostic Tool - In order to fix these errors, you need few diagnostic tools to get your car problems pointed out easily. Our diagnostic tools collection will come handy to do so and resolve all your vehicle problems. Visit today!
5. Intake Manifold Actuator - The actuator is responsible to handle the opening and closing of the intake valve and is also used to determine its position. Thus, if the actuator is at fault, the air to fuel ratio may change, causing serious performance issues. Buy new actuator and replace the faulty one now!
6. Intake Valve - Intake valve is a valve in the cylinder head of an internal-combustion engine that opens at the proper moment in the cycle to allow the fuel-air mixture to be drawn into the cylinder. Thus replace it now!
7. Intake Manifold - One of the most intriguing components of the internal combustion engine is the intake manifold. Responsible for the even distribution of the air/fuel mixture to each cylinder, the intake manifold also serves as a mount for the carburettors (on older engines) and fuel injectors (on modern engines). Thus, replace damaged parts now!

Interested in knowing the symptoms to OBD code P207B? If yes, then you have arrived at the right place. We at Parts Avatar have listed out few common symptoms associated with Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Range/Performance Bank 2.

Common Symptoms

• Check Engine Light on
• Engine stalling
• Rough engine operation at idle
• Reduced fuel economy
• Reduced acceleration

Following are the major components that when replaced or repaired can solve P207B error and can be avoided to return with proper diagnosis.

• Reinstalling the driver in the PCM
• Replacing a failed intake manifold tuning valve
• Repairing loose or corroded connections in the wiring for the intake manifold tuning valve

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• Diagnosing the P207B code begins by reading the codes stored in the car’s computer using a handheld OBD II scanner. The mechanic will note those codes, and then clear them, and test drive the vehicle to see if they reset.
• The mechanic will also need to visually inspect all the wiring and connectors in the intake manifold tuning valve control circuit for opens, shorts, corrosion or other damage. It should be noted that damage to the wiring harness or a loose/poor connection are some of the most common issues here.
• The mechanic should use an advanced scanner to determine the general area of the problem, rather than testing each individually. In addition, it may be necessary to have a CAN scanner to rule out CAN bus failure.
• The mechanic should also test the PCM, as failed drivers are one of the more common causes of the P207B code. The intake manifold tuning valve will also need to be tested for operation. Once the underlying problem has been diagnosed and repaired, the vehicle must be test driven again for drivability and to determine proper operation.

Common Mistakes When Diagnosing The P207B Code

One common mistake here is attempting to repair the condition by addressing related symptom codes. For instance, a misfire code may be present, but that is not the actual problem, and attempting to fix it will not alleviate the condition that caused the code to set in the first place. In order to provide an accurate diagnosis, the mechanic should start with the earliest code and work forward to the most recent.