P0083 is a general OBD2 code indicating a issue with bank 2 intake valve control solenoid. This code may be seen with P0081 and P0082. The 2006 Ford GT also has a bank 1 valve control solenoid.
The DTC P0083 is telling us that there is a fault within the intake valve control solenoid circuit. The 2006 Ford GT 's variable valve timing system uses the ECM to control the valve solenoid.
When the ECU sends a signal and finds the circuit to have out of range performance a code is set. Once the code is set your 2006 Ford GT goes into a failsafe mode and disables variable valve timing. P0083 is telling us that the intake valve control circuit has detected high voltage in the system.
P0083 usually has minor symptoms. When the ECM detects high voltage in the control solenoid circuit it puts your 2006 Ford GT into a failsafe mode to protect your 2006 Ford GT from further damage. When this failsafe mode is set it disables the variable valve timing.
When the variable valve timing is disabled you may noticed poor acceleration or lower power, and a worse than normal fuel economy.
P0083 should be a straightforward code for any qualified mechanic to diagnose. Listed are the steps and the proper order for them:
Uses a professional level scan tool that is installed into the DLC port to check for all of the OBD2 codes that are present
Checks all freeze frame data associated with the codes present which will be used later
Clears all of the codes
Takes your 2006 Ford GT on a road test under the same conditions as found in the freeze frame data, including engine load, RPM, speed, coolant temp, and drive time
If the code reappears during test drive continue diagnosis, confirm sP0083 is present after a test drive
Performs a visual inspection of the wiring harness for the intake valve control solenoid bank 2, checks for any damaged, shorted, and broken wires
Checks for correctly installed and undamaged connectors while looking out for poor connections at any junction points
Uses the scan tool to observe the live datastream from the intake valve control solenoid and confirms it is out of range for sensor performance
If sensor is operating properly, performs a diagnostic test on the ECU, each manufacturer and model will have its own separate test procedure
Most commonly mistakes occur when the steps are not followed in the exact order listed or steps are skipped.
Usually the solenoid itself is the cause of P0083, but this is no excuse to skip right up to replacing the solenoid before it has been tested and confirmed faulty.
P0083 is not usually a code that indicates serious issues. It should be no problem to drive to a safe location and a mechanic shop once the Check Engine Light is displayed on the dashboard. Though the symptoms are minor with this code, care should be taken while driving since decreased engine power and acceleration will be felt.
The variable valve timing system is used to advance your 2006 Ford GT 's engine timing as needed using the ECM and both intake and exhaust control solenoid. This system is used to increase engine power, acceleration, and fuel economy and is a critical component in modern engines.
Vehicles seen with P0083 will have a left and right engine banks, known as bank 1 and 2. Bank 2 is generally the passenger side of the engine. THe intake valve control solenoid should be found near the intake portion of the cylinder head. Cars will have a V configured engine to have 2 cylinder banks such as a V6 and a V8.
A scan tool that allows live data to be viewed in real time will be required to properly diagnose this code. This type of scan tool is a professional level scan tool and shows important information such as voltage, on/off, ohms, and graphs of changes in sensor and solenoid valves over time. They are critical to be able to properly diagnose the solenoid.