P3668 Trouble Code

View P3668 obd/2 error code description and symptoms. P3668 engine photo

The issue covered by the bulletin involves a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperature operation.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

P3668 Error Code Repair Process :

For vehicle acceleration eec-iv circuit failure check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P3668 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks vehicle acceleration eec-iv circuit failure with your car's computers to find out exactly what's prompting the light to turn on.

P3668 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P3668

A common cause of code P3668 is the failure of Vehicle Acceleration EEC-IV Circuit Failure, but there are several other possible causes as well, such as ;

Exhaust gas leaks
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
Camshaft advance mechanism binding (VCT unit)
Open or short in the CMP sensor circuits

P3668 code for all cars

You can view according P3668 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P3668 Aston Martin Atom

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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