P145F Diagnostic Trouble Code

P145F 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 P145F 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 :

An air leak forward of the DPF will change the sensor readings resulting in the code
Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.

Repair Processes :

Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. 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 P145F 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 P145F.

Fortunately, P145F is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P145F Trouble Code For Specific Cars

P145F Saab 9000i Ignition Run/Start Circuit Short To Ground
P145F Audi A8 ANTI THEFT HORN OUTPUT CIRCUIT Short to Gnd
P145F Chevrolet Half Ton Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage
P145F Mercedes S 320 Additional Fan Relay Circuit Malfunction
P145F Opel Grandland X Dim Panel Increase Input Circuit Open
P145F Chevrolet Superior Electronic Throttle Monitor Cruise Disable
P145F Ssangyong Stavic Lamp Headlamp Input Circuit Failure