I have three problems that you might have an idea of the cause and what parts I need:
1) When I get a check engine light the transmission starts acting up. The car starts slowing down and speeding. This happens sometimes when I drive on the highway for like 15 minutes or if I stop and go multiple times in rush hour (Could this be a sensor issue?). 2) The car shivers hard (it feels like driving on a gravel road), this happens sometimes between 30-60 km/h and 115-140 km/h. (I was told that this is linked to the oxygen sensor or something else as in fuel pump). 3) Signal light properly does not work when I try to signal left. It gets stuck, with signal light on and not blinking. I had to hold it by hand half way to get it to blink sometimes. Sometimes it makes the signal blinking ticking noise but if I check it out the light is not blinking.Any help would be appreciated. Thanks again,