P3072 Pontiac Parisienne OBD Code

OBD/2 P3072 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

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.

P3072 Pontiac Parisienne Error Code Repair Process :

For a/c clutch magnetic control circuit failure 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. P3072 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 a/c clutch magnetic control circuit failure with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Pontiac Parisienne P3072 OBD2 Code

A common cause of code P3072 is the failure of A/C Clutch Magnetic Control Circuit Failure, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Camshaft advance mechanism binding (VCT unit)
Faulty front heated oxygen sensor
Faulty Intake Valve Timing Control Solenoid Valve

P3072 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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P3072 Pontiac Parisienne OBD Code

P3072 Pontiac Parisienne Error Code Repair Process :

Common Causes of Pontiac Parisienne P3072 OBD2 Code

P3072 code for other Pontiac cars