B0004 Renault 5 OBD Code

OBD/2 B0004 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) B0004 DTC is a check of the VCT unit.

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.

B0004 Renault 5 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B0004 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If mass or volume air flow circuit intermittent so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the mass or volume air flow circuit intermittent.

Common Causes of Renault 5 B0004 OBD2 Code

A common cause of code B0004 is the failure of Mass or Volume Air Flow Circuit Intermittent, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty Crankshaft Position Sensor (POS)
Faulty Fuel injector
Faulty Variable Camshaft Timing (VCT) position solenoid

B0004 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

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

About Us | Contact | Privacy

B0004 Renault 5 OBD Code

B0004 Renault 5 Error Code Repair Process :

Common Causes of Renault 5 B0004 OBD2 Code

B0004 code for other Renault cars