P1B82 Diagnostic Trouble Code

P1B82 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 P1B82 diagnostic trouble code may include:

The engine oil will exhibit dilution from the ECUs attempts to increase engine temperature. Some vehicles advance the fuel injection timing slightly after top center to afterburn a small amount of fuel to increase exhaust temperatures. Some of this fuel enters the crankcase. When the ECU determines the necessity to regenerate the DPF, the service life of the oil be shortened significantly
Faulty or damaged wiring
Hesitation upon acceleration
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.
Defective ECU strategies or components will prevent proper regeneration

Repair Processes :

Use the DVOM to test resistance and continuity on all system circuits if actuator and sensor resistance levels are in compliance with manufacturer's specifications. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. 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 P1B82 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 P1B82.

Fortunately, P1B82 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1B82 Trouble Code For Specific Cars

P1B82 Vector M 12 PRNDL Reverse Input Short Circuit To Ground
P1B82 Alfa Romeo 159 ABS Outlet Valve Coil RR Circuit Short To Ground
P1B82 Alvis Td21 Air Suspension Disable Switch Circuit Short To Battery
P1B82 Abarth Ot 2000 A/C Post Heater Sensor #2 Circuit Short to Ground
P1B82 Rover 12 Idle Control System RPM higher Than Expected
P1B82 Bmw 116 Calibration Memory Fault
P1B82 Chery Fulwin 2 Downstream Heated O2 Sensors Swapped