B0072 Rolls-royce Silver Dawn Diagnostic Trouble Code
B0072 Rolls-royce Silver Dawn code definition:
B0072 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code for Rolls-royce Silver Dawn.
B0072 Rolls-royce Silver Dawn shows up when there's an electrical problem that causes the fuel volume regulator to malfunction and open. It's quite an unusual problem and likely intermittent. Other symptoms that may indicate this problem are when the Check Engine Light illuminates and when there is a visible lack of engine power.
Symptoms
Symptoms of a B0072 Rolls-royce Silver Dawn diagnostic trouble code may include:
- Hesitation upon acceleration
- Excessive exhaust leak
- Rich or lean exhaust
- 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
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Possible Causes :
- Defective ECU strategies or components will prevent proper regeneration
- The Mass Airflow sensor is a hot wire that senses the volume of air entering the intake manifold. The computer uses this information to control fuel mixture.
- Some aftermarket accessories and performance modifications
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Common Misdiagnoses
- TP Sensor Learn Not Complete Problem
- Low Coolant Circuit Problem
- Cruise Control System - Vehicle Accel Too High Problem
- TFP Valve Position Switch-Drive Without Drive Ratio Problem
- Problem
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.
If all testing has passed so far yet you still have the same code, check your scan tool and see if it can open and close the IMRC valve.
Process Tips
Diagnostic trouble code B0072 Rolls-royce Silver Dawn 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 B0072 Rolls-royce Silver Dawn.
Fortunately, B0072 Rolls-royce Silver Dawn is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.
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