legacycentral bbs

Gee could it be that simple?? I so far do not have a code 23 or 49 pop up yet though!! What would be a simple way to verify it?? Back probe the sensor when the problem occurs?? Clean out the sensor mind you it is probably the orginal sensor!! I did not think that it was the coil pack since it happen...

Hello to all!! I'm new to this forum and have owned a 90 Legacy with 318000 Km for about a year now. I have recently changed the O2 sensor and clear the codes stored in the computer. Now my problem is that when I drive the car in stop and go traffic the engine after an hour in traffic starts to hesi...