Question about Chevrolet Chevy
P0010 - "A" Camshaft Position Actuator Circuit (Bank 1)
A P0010 code refers to the VVT (variable valve timing) or VCT (variable camshaft timing) components and the car's PCM (powertrain control module). That consists of an oil control valve (OCV), also called a solenoid valve and other components. Basically the check engine light and associated P0010 trouble code means that the voltage in the circuit has fallen below a set limit for a specific amount of time (varies by make/model/engine).
Symptoms may include:
* Check Engine Light illuminated (Malfunction Indicator Lamp)
* Rough running
* other symptoms may also be present
Causes: A code P0010 may mean that one or more of the following has happened:
* Faulty oil control valve (OCV)
* Open or short in the VVT/VCT circuit
* Open or short in the OCV / solenoid valve
* Damaged computer (PCM)
Possible Solutions: Some recommended troubleshooting and repair steps are:
* Carefully inspect the Bank 1 VVT/VCT system circuit wiring and connectors, repair as required
* With a warm engine, test the operation of the OCV, replace/repair as needed
Hope this helps to solve it (remember to rate this answer).
Posted on Nov 15, 2010
The CVVT (Continuously Variable Valve Timing) system is installed to the chain sprocket of the exhaust camshaft. There is no variation in valve timing of the exhaust cam because the exhaust camshaft is driven by the timing belt. The timing of the intake cam is varied by the relative operation the CVVT vane to the housing. This system helps the engine decrease exhaust gases and increase engine power and fuel economy by changing the valve open/close timing of the intake camshaft.
The code you are getting can be caused by a mechanical problem with the CVVT or with an Engine Control Module (ECM) malfunction. The most common cause of a mechanical failure of this system is debris clogging the very small oil ports that control the position of the CVVT vane hub. Improper oil viscosity can affect this as well as deposits caused by not changing oil at the specified intervals.
There is a Technical Service Bulletin (TSB) that deals with properly checking the CVVT system for mechanical/electrical failures. It is bulletin Number 09-EM-002.
Posted on Dec 26, 2010
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