CAR OBD CODES

P0151 OBD Code Definition:
P0151 HO2S21 Sensor Circuit Low Voltage
P0151 OBD Code Description:

OBD2 Code P0151 Definition:
Essentially the same as P0136 and P0137 and P0131, a P0151 code Definition:the first oxygen sensor on Bank 2 . P0151 means the O2 oxygen sensor’s voltage remained low for longer than 2 minutes. This, is interpreted by the ECM as a low voltage condition and sets the MIL. Bank 2 Sensor 1 is located in front of the catalytic converter. Symptoms

Possible sumptoms of P0151
There may be no visible symptoms to the driver, other than the MIL (Check Engine / Service Engine Soon) illumination. Possible Causes

Possible causes of P0151
A code P0151 may mean that one or more of the following has happened: Faulty o2 oxygen sensor Short to voltage on O2 signal circuit High resistance or open on O2 signal circuit Possible Solutions

Replace faulty sensor Repair short, open, or high resistance on o2 signal circuit
Note: The information on the P0151 error code is purely informative, if you need more useful information, please consult your technician.