P0151 Diagnostic Trouble Code

P0151 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 P0151 diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
Reduction in engine performance, especially at low RPM levels
Poor fuel economy

Possible Causes :

Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)
Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.
Dirty air cleaner element Damaged DPF

Repair Processes :

Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector. Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Look at the plug wires to make sure they are not burnt or laying on the exhaust.

Process Tips

Diagnostic trouble code P0151 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 P0151.

Fortunately, P0151 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P0151 Trouble Code For Specific Cars

P0151 Morgan 42 F4 Booster Solenoid circuit Failure
P0151 Opel Kraftfahrzeug Disable Signal Short to Ground
P0151 Mitsubishi A10 Audio Center Amp is not responding
P0151 Buick Le Sabre Cylinder 8 Injector Circuit Low
P0151 Volkswagen Polo Rotor Calibration Fault
P0151 Bmw M1 Clutch Actuator Circuit Range/Performance
P0151 Toyota Rsc Park Lamp Flash Relay Circuit Short to Battery