P9B78 Mitsubishi Raider OBD Code

OBD/2 P9B78 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) P9B78 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.

P9B78 Mitsubishi Raider Error Code Repair Process :

The rule of P9B78 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of . Likewise, overriding the OBD P9B78 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

Common Causes of Mitsubishi Raider P9B78 OBD2 Code

A common cause of code P9B78 is the failure of , but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
1Camshaft Position Sensor circuit poor electrical connection
Fuel Injectors circuit poor electrical connection
Faulty Intake Valve Timing Control Solenoid Valve

P9B78 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.

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

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P9B78 Mitsubishi Raider OBD Code

P9B78 Mitsubishi Raider Error Code Repair Process :

Common Causes of Mitsubishi Raider P9B78 OBD2 Code

P9B78 code for other Mitsubishi cars