B1775 Mg Mgc Diagnostic Trouble Code
B1775 Mg Mgc code definition:
B1775 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code for Mg Mgc.
B1775 Mg Mgc is defined as Knock Sensor Circuit Range Performance (Bank 1 or Single Sensor). This refers to camshaft timing, which in this case is over-retarded. The PCM then uses this data to provide the right strategies for the fuel delivery and ignition timing of the engine.
Symptoms
Symptoms of a B1775 Mg Mgc diagnostic trouble code may include:
- Misfire
- Misfire
- The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
- Reduction in engine performance, especially at low RPM levels
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Possible Causes :
- Dirty air cleaner element Damaged DPF
- A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
- An air leak forward of the DPF will change the sensor readings resulting in the code
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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 :
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.
Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness.
Process Tips
Diagnostic trouble code B1775 Mg Mgc 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 B1775 Mg Mgc.
Fortunately, B1775 Mg Mgc is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.
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