Guide To P0025 OBD Error Code Solutions

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Do you notice your car oil getting dirty? Are you experiencing some problems with the Variable valve timing circuit or some faults in the Oil control valve circuit? All these are probable signs of OBD Code P0025.

Trouble code P0025 is related to camshaft position timing over retarded bank 2

The P0025 generic code starts appearing when the engine control module has determined that the exhaust variable camshaft timing for bank 2 is more retarded than what the car ECM has actually commanded it to be. This condition of the over retarded timing can be during the retarding or we can say during the advancing of the exhaust camshaft timing.

What causes this problem with the Camshaft Position Timing Over Retarded?

• The car oil may become dirty
• Variable valve timing circuit may be opened or shorted
• Oil control valve circuit might be opened or shorted
• Faults in the variable valve timing
• Defects in the oil control valve
• Engine control module might get damaged
• Engine oil level might be too low

1. Variable Valve Timing - Damaged VVT can be a major reason why P0025 code depicts. So, make sure to replace it online so that you don’t have to face any further issues.
2. Oil Control Valve - Are your Oil Control Valve damaged or broken? Don’t worry as we have solutions for all your problems.
3. Engine Control Module - Common cause behind this P0025 error code can be some fault in Engine Control Module. So, it will be a good decision to replace them now.
4. Variable Camshaft Timing - Issues with Variable Camshaft Timing can be irritating and its best to replace them. We have a huge variety of Variable Camshaft Timing available for our dear customers.
5. Camshaft Sensor - Some sort of defects in the Camshaft Sensor can be a huge reason behind the appearance of P0025 code. So, you must get it fixed.
6. Crankshaft Sensor - Facing issues with crankshaft sensor harness? Buy new crankshaft sensor harness and get rid of this issue.

Have a look at some of the most common symptoms of P0025 error code below:

Common Symptoms

• Check engine light would be turned ON by ECM if the camshaft timing is in a lower timing position than expected
• It may be hard to start the engine from the retarded timing position
• The engine may start running roughly and the overall power would be reduced
• Drivability symptoms may start varying and it all depends on how far the camshaft is out of position
• Excessive emissions would be faced by the engine from the tailpipe and fail emission testing

• Try to clear the fault codes and you can also perform a road test to try and verify the failure
• Try to change the engine oil and filter to the proper oil viscosity
• You must repair or replace the wiring or connection to the camshaft oil control valve
• The camshaft oil control valve for bank 2 intake camshaft should be replaced
• Replace camshaft phaser for the bank 2 camshaft

Facing such issues? All you have to do is to visit us as we have stocked a wide range of best priced replacement parts, ECM/PCM parts and a lot more to help you out in fixing your car.

• Make sure that you visually check all the electrical connections and wire harness to the camshaft sensor, oil control valve and the crankshaft sensor for any issues that may cause the problem
• Clear the code and verify if the code returns
• Before you start performing any sort of further testing, you must clear the code and verify if returns again or not
• You must carefully inspect if the engine oil is clean and is of the correct viscosity
• The OCV should be commended to 100% duty cycle to check if the camshaft timing changes
• Manufacturer's specific pinpoint test should now be performed

Common Mistakes When Diagnosing the P0025 Code

Generally, the people replace the system sensors and the PCM in error, but actually the issue is with timing alignment.

• Before you start to perform any sort of repair or replacing the components, you must always verify the failure code first.
• Verify the failure code is present before doing any repairs or replacing of components.
• Visually check the problems with the variable camshaft timing system components and wiring or connections.
• If you want to isolate the failure on the system, then you must follow the pinpoint test step-by-step
• The parts should only be replaced if directed by the pinpoint or visual testing