P0133 Diagnostic Trouble Code Discussion for October 2014
Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
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| Help Request | Posted | |
| 2001 Volvo S40 1.9L MIL Lamp on VIN: YV1VS295X1 P0133: o2 response time b1s1. ... long to figure out !!! Code p0133 ECM-28 sets hot or cold after only one minute at cruise speed. Have replaced both oxygen sensors ( Bosch ) and code still sets. Scope waveform of sensors show excellent performance. Fuel trims are close to zero and emissio... |
October 23, 2014 |
