It was in fact the rpm sensor. However, I noticed that the gears were not shifting as smoothly asvut usually does. Thanks again for the advice

Thanks. I'll change the PNP switch as well. Will keep u posted. About to have someone take a look at it

Here is another pic

Thanks for the response. My car is actually from the
US. I can't use the
OBD I as the wires came out

I recently had to change my rear o2 sensor due to the codes which showed misfiring in all cylinders. This issue was further complicated by the yellow transmission arrow started flashing and the speedometer would fluctuate or not worked at all. The issue related to the yellow light continues and seem...