Next to the clock there should be two circle buttoms, you can/need a toothpick or a pen to actually press them. They're so hard to press with just your finger.
Yes, many things. First do you have any trouble codes? Loss of power at any speed almost always pertains to air (vacuum) either leaking or blocked. That's an inexpensive place to start. Test all intake vacuum including egr and pcv with a inexpensive vacuum gauge.
Other possible things to look at is dirty fuel injectors or a small stone in the fuel line between the filter and the injector but these possibilities are more labor intensive and not as common.
are you hearing and strange hissing sounds ? check breather pipes all round look for any damaged pipes. some times squeezing them, also check the breather for the auto box.. on auto box clean all the road muck off and then go for a drive and then check it, look all round. do these checks. if nothing is damaged or leaking then you need to check the sensor. it could be clocked up and might just need cleaning. switch is located next to the oil filter. original colour is yellow if replaced it will be black color.
Fuel pump relay? Fuel pump itself? Bad ground in fuel pump? Check for voltage going to the pump. If volts ok, pump is bad, if volts are not present, bad relay.
It sounds like you may have a bad head gasket or even cracked , When the car get warm it opens up and if your rad fluid is going it your cylinders and causing the car to misfire and smoke . The easiest way to tell the health of your motor is to do a compression test and look at the oil and rad fluid .
If you changed fuses maybe it's just come back on , if the alarm isn't sounding I doubt that's it , red flashing led's on the dashboard usually are an indicator that there is an alarm but not necessarily mean that it's been triggered
Try changing your fuel filter. Check your mass air flow sensor. That might be going out. Or someone at that shop you went to tampered with your Idle level.
