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B2271 Engine Trouble Code

Meaning of B2271 engine trouble code is : B2271 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

B2271 Possible Solution:

B2271 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

B2271 Code Meaning :

B 2 2 7 1
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Manifold Absolute Pressure/Barometric Pressure Circuit High Input Cylinder 10 Contribution/balance Fault Crankshaft Position Sensor A Circuit Low Input

Regarding the B2271 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

B2271 OBD-II Diagnostic Body (B) Trouble Code Description

B2271 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Reason For B2271 Code

The reason of B2271 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

B2271 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.