P151F Lada Xray OBD Code

OBD/2 P151F error code description and symptoms.

Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running.
All that extra fuel goes into the catalytic converter. But the exhaust isn't very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up the catalytic converter quicker and reduce cold start emissions. One way is to use a secondary air pump that pumps outside air directly into the catalytic converter.

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.

P151F Lada Xray Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P151F 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 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 .

Common Causes of Lada Xray P151F OBD2 Code

A common cause of code P151F is the failure of , but there are several other possible causes as well, such as ;

Dirty Oil
Failures of clutch motion/travel sensors.
Faulty starter motor
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted

P151F 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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P151F Lada Xray OBD Code

P151F Lada Xray Error Code Repair Process :

Common Causes of Lada Xray P151F OBD2 Code

P151F code for other Lada cars