P1376 Diagnostic Trouble Code

P1376 is a kind of OBD-II Diagnostic P-Powertrain Diagnostic Trouble Code.

It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.

Symptoms

Symptoms of a P1376 diagnostic trouble code may include:

Excessive exhaust leak
Hesitation upon acceleration
Malfunction Indicator Lamp (MIL) illuminated
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground.

Process Tips

Diagnostic trouble code P1376 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before P1376.

Fortunately, P1376 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1376 Trouble Code For Specific Cars

P1376 Maxwell Model L Transmission Range Sensor Circuit Range/Performance
P1376 Saab 9-5 Ignition Switch Illegal Input Code
P1376 Bugatti Type 55 Cylinder 12 Injector Circuit Low
P1376 Mitsubishi Rvr Aux Heater Flame Sensor Circuit Short to Ground
P1376 Renault Argos Gear Shift Foward Actuator Circuit High
P1376 Toyota Aristo NVM Alarm Data Failure
P1376 Porsche 968 Fuel level Sensor Circuit Intermittent