B0797 Fiat 70 OBD Code

OBD/2 B0797 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.

B0797 Fiat 70 Error Code Repair Process :

For throttle position not available 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. B0797 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 throttle position not available with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Fiat 70 B0797 OBD2 Code

A common cause of code B0797 is the failure of Throttle Position Not Available, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty Variable Camshaft Timing (VCT) position solenoid
Intake air leaks
Camshaft Position Sensor harness is open or shorted

B0797 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

B0797 Fiat 70 OBD Code

B0797 Fiat 70 Error Code Repair Process :

Common Causes of Fiat 70 B0797 OBD2 Code

B0797 code for other Fiat cars