P1387 Diagnostic Trouble Code

P1387 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 P1387 diagnostic trouble code may include:

If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Corroded or damaged connector
Reduction in engine performance, especially at low RPM levels
Hesitation upon acceleration

Possible Causes :

A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
Dirty air cleaner element Damaged DPF
Fuel with a large percentage of sulfur will clog the DPF quickly

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code P1387 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 P1387.

Fortunately, P1387 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1387 Trouble Code For Specific Cars

P1387 Ansaldo 4cs Air Suspension LF Height Sensor Circuit Open
P1387 Gobron 20 Park/Neutral Switch Circuit Short To Battery
P1387 Chevrolet Venture Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage/IAT - B Circuit Low Input
P1387 Ford Skyliner Mirror Passenger Right Circuit Short To Battery
P1387 Pininfarina Rosso Evap Emission Control Sys Vent Control Valve Circuit
P1387 Opel Meriva Door Ajar Circuit Short To Battery
P1387 Scania-vabis Limousine Injection Pump Fuel Metering Control "B" Intermittent (Cam/Rotor/Injector)