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B1772 Engine Code Repair

Meaning of B1772 engine trouble code is a kind of body trouble code and when your car's 'B1772 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

B1772 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting

If one of these reasons for B1772 code is occuring now you should check B1772 repair processes.
Now don't ask yourself; What should you do with B1772 code ?
The solution is here :

B1772 Possible Solution:

B1772 Engine

Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.

B1772 Code Meaning :

B
OBD-II Diagnostic Body (B) Trouble Code For Engine

1
Fuel And Air Metering

7
Fuel Temperature Sensor B Circuit Range/Performance

7
Cylinder 4 Contribution/Balance Fault

2
Crankshaft Position Sensor A Circuit Low Input

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

B1772 OBD-II Diagnostic Body (B) Trouble Code Description

B1772 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Main reason For B1772 Code

The reason of B1772 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

B1772 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.