C3571 Diagnostic Trouble Code

C3571 is a kind of OBD-II Diagnostic C-Chassis 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 C3571 diagnostic trouble code may include:

Carbon Buildup on O2 Sensor
Malfunction Indicator Lamp (MIL) illuminated
Hesitation upon acceleration
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.
Some aftermarket accessories and performance modifications

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio. Pack the connector cavity with dielectric silicone compound (same stuff they use for light bulb sockets and spark plug wires) and reassemble.

Process Tips

Diagnostic trouble code C3571 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 C3571.

Fortunately, C3571 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C3571 Trouble Code For Specific Cars

C3571 Ferrari Rossa Key Off Voltage Low
C3571 Saab 9.5 Ii Ignition Run/Acc Circuit Short To Ground
C3571 Dacia Sandero Ii Fuel Temperature Sensor B Circuit Intermittent
C3571 Cadillac 61 Damper RF Circuit Short To Battery
C3571 Adler 12 ABS Inlet Valve Coil RF Circuit Short To Ground
C3571 Suzuki Lj 20 Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery
C3571 Lamborghini P140 Solenoid Relay # 1 Circuit Failure