P1134 [Archive] - GrandAmGT.com Forum

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GAGT7386
05-24-2004, 02:25 PM
My g/f's car just threw this code out. I took it down to autozone and had them check it. They said it was a manufacture's code and wern't sure what it meant. They thought it had to do with the fuel system ... but I want to know for sure. Anyone with any ideas ?

Trason

RedGT2004
05-24-2004, 06:12 PM
DTC P1134 HO2S Transition Time Ratio Sensor 1

The powertrain control module (PCM) continuously monitors the heated oxygen sensor (HO2S) activity for 100 seconds. During the monitor period the PCM counts the number of times that the HO2S responds from rich to lean and from lean to rich and adds the amount of time it took to complete all transitions. With this information, an average time for all transitions can be determined. The PCM then divides the rich to lean average by the lean to rich average to obtain a ratio. If the HO2S transition time ratio is not within range, DTC P1134 will be set, indicating that the oxygen sensor is not responding as expected to changes in exhaust oxygen content.

Either the o2 sensor is bad or you have a faulty connection in the o2 sensor circuit.

Mike_99GAGT
05-25-2004, 08:06 PM
what he said!! :jackson