P0AB6 Diagnostic Trouble Code

P0AB6 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 P0AB6 diagnostic trouble code may include:

Engine surge
Blown fuse (if applicable)
Lack of power
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected

Possible Causes :

A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Faulty IMRC actuator relay (if equipped)
Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)

Repair Processes :

Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. 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. Look at the plug wires to make sure they are not burnt or laying on the exhaust.

Process Tips

Diagnostic trouble code P0AB6 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 P0AB6.

Fortunately, P0AB6 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P0AB6 Trouble Code For Specific Cars

P0AB6 Citroen Gs Fuel Level Sensor Circuit Range/Performance
P0AB6 Nissan Largo Column Reach Feedback Potentiometer Circuit Failure
P0AB6 Dkw F93 Idle Switch Circuit Malfunction
P0AB6 Porsche Rsk Fuel Pump Speed Primary Circuit Malfunction
P0AB6 Beijing Bj 2021 B Camshaft Position - Timing Over-Retarded (Bank 2)
P0AB6 Pontiac Sunfire Four Wheel Drive (4WD) Switch Circuit
P0AB6 Ford Falcon