CAR OBD CODES
OBD/DTC Search, e.g.P0159
CAR OBD CODES P0159
P0159 OBD Code Definition:
P0159 HO2S22 Slow Response
P0159 OBD Code Description:
OBD2 Code P0159 Definition:
This involves the rear oxygen sensor on the passenger side. This code indicates the engine air fuel ratio is not being adjusted by the oxygen sensor signal or the ECM as expected to do so, or not adjusted as often as expected to do so once the engine is warmed or under normal engine use.
Symptoms
Possible sumptoms of P0159
You will likely not notice any drivability problems, although there may be symptoms.
Possible Causes
Possible causes of P0159
A code P0159 may mean that one or more of the following has happened: The oxygen sensor is faulty The wiring to the sensor is broken / frayed There is an exhaust leak
Possible Solutions
The simplest thing to do is to reset the code and see if it comes back. If the code comes back, the problem is more than likely the rear passenger side oxygen sensor. You will likely wind up replacing it but you should also consider these possible solutions: Check and fix any exhaust leaks Check for wiring problems (shorted, frayed wires) Check the frequency and amplitude of the oxygen sensor (advanced) Check for a deteriorating / contaminated oxygen sensor, replace if necessary Check for inlet air leaks Check the MAF sensor for proper operation
Note: The information on the P0159 error code is purely informative, if you need more useful information, please consult your technician.
B00B4 B1814 B1912 B2838 B191D B00E8 B2660 B1762 B2A35 B1741 B1B7E B1003 B1845 B1369 B2981 OBDII Chassis Codes
C1169 C1018 C1813 C0765 C1511 C1307 C1329 C2204 C1467 C1931 C0550 C100D C1A28 C1524 C1716 OBDII Network Codes
U3005 U0563 U1753 U1112 U0322 U0181 U1197 U2523 U1068 U045A U025D U0089 U0547 U1123 U0052 OBDII Powertrain Codes
P0934 P1201 P1268 P0551 P2678 P0B98 P0AE0 P0876 P150B P0AAF P0612 P0C86 P1836 P2540 P1745