P1741 Diagnostic Trouble Code

P1741 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 P1741 diagnostic trouble code may include:

Malfunction Indicator Lamp (MIL) illuminated
Carbon Buildup on O2 Sensor
Poor fuel economy
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.
A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.

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. Look at the plug wires to make sure they are not burnt or laying on the exhaust. It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem.

Process Tips

Diagnostic trouble code P1741 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 P1741.

Fortunately, P1741 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1741 Trouble Code For Specific Cars

P1741 Mitsubishi Eclipse Autolamp Delay Circuit Open
P1741 Chevrolet Two-ten
P1741 Ferrari 735 Intake Valve Control Solenoid Circuit Low (Bank 2)
P1741 Matra-simca Bagheera Transmission Neutral Safety Switch Short Circuit To Battery
P1741 Fiat 1600 Lack Of HO2S12 Switch - Sensor Indicates Rich
P1741 Ford Think Mirror Passenger Vertical Switch Circuit Short To Battery
P1741 Moretti 850 Blend Door Failure