P276A Diagnostic Trouble Code

P276A 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 P276A diagnostic trouble code may include:

Fuel pressure too high
Diminished fuel efficiency
Rich or lean exhaust
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes :

Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Faulty IMRC actuator relay (if equipped)

Repair Processes :

Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness. Use the DVOM to test resistance and continuity on all system circuits if actuator and sensor resistance levels are in compliance with manufacturer's specifications.

Process Tips

Diagnostic trouble code P276A 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 P276A.

Fortunately, P276A is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P276A Trouble Code For Specific Cars

P276A Lada Tarzan Shift Solenoid C Control Circuit Range/Performance
P276A Toyota Verossa Passenger Rear Seat Up Switch Circuit Short to Battery
P276A Metropolitan 1500 Air Suspension RF Height Sensor Circuit Short To Ground
P276A Lexus Is200 TCM Power Relay Control Circuit Low
P276A Audi 80 Alternator Load Input Failed Low
P276A Citroen Berlingo Iii Front Crash Sensor Mount Fault
P276A Noble M12 Cylinder 10 Contribution/balance Fault