U2702 Diagnostic Trouble Code

U2702 is a kind of OBD-II Diagnostic U-Network 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 U2702 diagnostic trouble code may include:

Poor fuel economy
Possible spark knock (detonation / pre-ignition)
Misfire
Diminished fuel efficiency

Possible Causes :

Faulty IMRC actuator/sensor
A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. 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.

Process Tips

Diagnostic trouble code U2702 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 U2702.

Fortunately, U2702 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

U2702 Trouble Code For Specific Cars

U2702 Diana Straight Hydraulic Pump Relay Circuit High
U2702 Bmw Z9 Column Tilt Motor Stalled
U2702 Volkswagen T-roc SCP (J1850) Invalid or Missing Data for Body Status Request
U2702 Maserati 4200 Gt Transmission Fluid Pressure
U2702 Honda Inspire PSP Switch Out of Self Test Range
U2702 Toyota 105 Multiple Gears Engaged
U2702 Mercury Park Lane Air Suspension Rear Inflator Solenoid Output Circuit Short To Ground