P067B Diagnostic Trouble Code

P067B 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 P067B diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
Reduction in engine performance, especially at low RPM levels
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Dirty air cleaner element Damaged DPF

Repair Processes :

Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Pull the connectors apart and carefully look at the terminals (the metal parts) inside the 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. 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.

Process Tips

Diagnostic trouble code P067B 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 P067B.

Fortunately, P067B is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P067B Trouble Code For Specific Cars

P067B Honda Ridgeline Rear Sounder Circuit Short to Vbatt
P067B Austin 3-litre Autolamp Delay Circuit Open
P067B Audi S1 ASM Mode Circuit Range/Performance
P067B Plymouth Pronto Evaporative Emission Control System Vent Control Circuit Shorted
P067B Seat Mii Injector High Side Short To GND Or VBATT - Bank 2
P067B Volkswagen Fusca Ride Control LF Shock Actuator Circuit Short To Ground
P067B Hyundai Tiburon