P0010 Trouble Code: "A" Camshaft Position...
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Due to emissions and performance standards, manufacturers have installed systems to increase the engine valve lift under certain conditions.
The P0010 code may be accompanied by other codes.
A variation in the mechanical timing between the bank 1 camshaft and the crankshaft is indicative of an issue with the engine control module.When the ECM tries to adjust valve lift during higher speeds, the timing issue is usually detected.
The position of the crankshaft and camshaft can be detected with the use of sensors.The ECM uses the sensor signals to control ignition, valve lift, and fuel timing.The Check Engine Light will be illuminated by the code.
The Check Engine Light will be produced by the P0010 code.It is likely.
P0010 should be diagnosed with an advanced scanning tool that can read factory sensor readings and codes, not just one from your local auto parts store.The data from the Scan tool can be read by a qualified technician to determine when and where the problem occurred.They can clear the code from the ECM and test drive the vehicle to see if the fault returns or if it is intermittent.
This fault code is very common with engine sludge with the oil system.It is common to remove the solenoid which the code indicates to inspect the screen filter for sludge and manually activated it with a test probe.
If the fault is intermittent, a visual inspection of the wiring may show more results.Until the problem becomes more persistent, the vehicle will have to be driven.
The information from professional resources should be able to narrow down the problem if the fault returns immediately.A digital voltage scope is needed to monitor the sensor signals.The signals will show what the ECM is seeing.
Further diagnosis may be required based on the results of the testing, as well as a road test while monitoring the data.Multiple tools will be required for diagnosis.
It is common for inexperienced technicians to assume that the engine needs a new timing device based on this code.Without performing a proper diagnostic procedure, a vehicle owner could spend hundreds of dollars and still have the same fault code.
A simple computer learn procedure could be used to solve the code.I've seen vehicles come in from other repair shops after spending hundreds of dollars to fix an issue in less than an hour.
Before replacing components based on the code alone, a proper diagnosis is always recommended.
A qualified technician can use proper tools to diagnose and verify potential issues and their effects on other systems.
If the issue is related to any other fault codes, you can clear them to see which ones return.
Scan tool data from the ECM can be used to analyze code and road test the vehicle.The P0010 code can be checked to see if the symptoms exist or if it is intermittent.
To determine where the problem is, you need to use a digital voltage scope.
The timing/front engine cover may need to be removed if the signals and scans are within specification.
The performance and smoothness of the engine are dependent on the timing between the crankshaft and camshaft.When the timing is not aligned at higher RPMs, the computer will have performance issues when it tries to perform valve adjustments.
The code is usually found in Chevrolet, Subaru and BMW vehicles.I usually suspect engine oil sludge on higher mileage vehicles.
I suspect a software update issue on lower mileage vehicles.
The true fault behind the P0010 code can be determined by a knowledgeable technician with proper tools and professional resources.
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The article originally appeared on YourMechanic.com as P0010 OBD-II Trouble Code: "A" camshaft position Actuator Circuit.
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