U0664 Citroen Gsa OBD Code

OBD/2 U0664 error code description and symptoms.

Variable Cam Timing Over-advanced (Bank 1) The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing.
The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. Cam timing improperly set No oil flow to the VCT piston chamber Low oil pressure VCT solenoid valve stuck closed Camshaft advance mechanism binding (VCT unit) U0664 DTC is a check of the VCT unit.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

U0664 Citroen Gsa Error Code Repair Process :

If your bank 2 fuel control shifted lean check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system U0664 and engine control unit are in charge of monitoring a bunch of different bank 2 fuel control shifted lean, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Citroen Gsa U0664 OBD2 Code

A common cause of code U0664 is the failure of Bank 2 Fuel Control Shifted Lean, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty Intake Valve Timing Control Solenoid Valve
Intake air leaks
EVAP system hose leaking

U0664 is a kind of Network Trouble Code

U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

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

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U0664 Citroen Gsa OBD Code

U0664 Citroen Gsa Error Code Repair Process :

Common Causes of Citroen Gsa U0664 OBD2 Code

U0664 code for other Citroen cars