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By definition, this generic OBD-II code means: “Camshaft Position A – Timing Over-Advanced or System Performance (Bank 1).”
It means that the Power Control Module (PCM) or Engine Control Module (ECM) has detected that the Bank 1 intake camshaft is more advanced than what the PCM (or ECM) commands it to be. Over-advancing can occur during advancing or retarding of the camshaft timing (cam timing).
In simpler words, your car’s Engine Control Module is indicating that the timing on your vehicle’s intake camshaft is out of alignment.
Note: This specific OBD2 fault code is triggered mainly in cars with variable camshaft timing (or variable valve timing). Variable valve timing (VVT) or variable intake valve timing is the process of changing the timing of an intake valve lift event in internal combustion engines. The process is used to improve fuel economy, engine performance, or emissions by regulating when the intake and exhaust valves are closed and opened. The engine computer adjusts the camshaft or camshafts using an oil control valve or valves (OCV), also called a variable valve timing control solenoid valve.
Here are some of the common symptoms of code P0011:
Note: The symptoms may vary based on the cam timing positions when the camshaft ceased to advance or retard.
DTC P0011 is a critical error code, and you should get professional input and resolution ASAP.
If you don’t, your engine may:
Other critical damages that indicate the severity of the DTC include:
Here are some instances that cause the code P0011:
Your mechanic will do the following to troubleshoot and fix the DTC P0011:
Note: The engine oil that flows through the camshaft and oil control valve should only be as per the manufacturer’s recommended oil viscosity. The camshaft and camshaft oil control valve should also be of a specific size.
Most P0011 DTC cases are fixed with a simple oil change.
That’s why one of the initial steps to fixing the P0011 trouble code is to change your car’s engine oil and oil filter if it’s not up to standards. Ensure that your engine oil is up to capacity and has the proper oil viscosity. Neglecting oil changes can decrease engine performance and lead to costly engine damage. So it’s always good practice to stick to a regular oil replacement schedule.
The cost of fixing the P0011 code can be anything between $40-$2000, depending on what caused the DTC to appear.
The P0011 code can occur due to anything from low or dirty oil to engine failure.
The repair cost will include charges for labor, diagnosis, and replacement parts like the timing chain, camshaft sensor, and camshaft phaser. That’s why it’s impossible to provide an exact estimate without diagnosing the issue.
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