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P0071 Engine Trouble Code

Meaning of P0071 engine trouble code is : When the check engine light comes P0071 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

P0071 Possible Solution:

P0071 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.

P0071 Code Meaning :

P 0 0 7 1
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Ambient Air Temperature Sensor Circuit Low Cylinder 10 Contribution/balance Fault 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.

P0071 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0071 OBD-II Trouble Code Ambient Air Temperature Sensor Range/Performance is the generic definition for the P0071; however your vehicles manufacturer may have a different definition and information for the P0071 code. P0071 code.

Reason For P0071 Code

The reason of P0071 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

P0071 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.