The code P0 400, in your Chevrolet Geo tracker, is a reference to the ABS braking system not working properly. In most cases when the ABS braking system is not working properly you will need to change the sensor.
well on my 2000 Chevy tracker it is an egr flow malfunction. Girl at autozone said it could be a egr blockage.... Mike
code 22 needs (engine coolant temperature sensor replaced) don't know about the 25
You replace it you do not fix it.
You don't fix it, you replace it.
kick it. that should help
Locked meaning blown?,no quick fix.
replace the exhaust.gmjim
That depends on what it is doing or not doing.
You have to take it apart to determine what is wrong before you can fix anything.
The first two Geo codes are for the interest area for a career
Fix the part that is setting the code in the first place.
what the hell is cas