B3451 Holden Hj OBD Code

OBD/2 B3451 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) B3451 DTC is a check of the VCT unit.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

B3451 Holden Hj Error Code Repair Process :

For variable intake solenoid system 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. B3451 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 variable intake solenoid system with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Holden Hj B3451 OBD2 Code

A common cause of code B3451 is the failure of Variable Intake Solenoid System, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Clogged or faulty fuel injector (s)
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
Clogged or faulty fuel injector (s)

B3451 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.

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B3451 Holden Hj OBD Code

B3451 Holden Hj Error Code Repair Process :

Common Causes of Holden Hj B3451 OBD2 Code

B3451 code for other Holden cars