B2451 Peugeot 308 OBD Code

OBD/2 B2451 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.

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.

B2451 Peugeot 308 Error Code Repair Process :

If your b2451 aux heater fuel pump circuit short to ground check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system B2451 and engine control unit are in charge of monitoring a bunch of different b2451 aux heater fuel pump circuit short to ground, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Peugeot 308 B2451 OBD2 Code

A common cause of code B2451 is the failure of B2451 Aux Heater Fuel Pump Circuit Short to Ground, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Erratic camshaft position due to low oil pressure
Improper ignition timing
Clogged or faulty fuel injector (s)

B2451 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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B2451 Peugeot 308 OBD Code

B2451 Peugeot 308 Error Code Repair Process :

Common Causes of Peugeot 308 B2451 OBD2 Code

B2451 code for other Peugeot cars