Where is the ECM located on a 1991 Chevy Cavalier and would that be the reason for it turning over but not starting?
YOur ecm is located under the dash or behind passenger side kick panel. reasons for the car not starting may be no spark, no fuel pressure, no pulse to the injectors, faulty injector, head gasket or timing gears bad.
I'm guessing that you mean it turns over but wont start. Anyway, two essential things that a car needs to run is fire and fuel. Check to make sure there is spark to the cylinders and also make sure there is fueling being supplied to the injectors or carburetor. You can check the fuel by pressing the "valve stem" that located in the return line from the injectors. It should have a little pressure to…
My 1985 jeep Cherokee has a hard start up and when driving it jerks a little to its warm up and steering wheels make loud noise when turning why is it doing these things please help you?
Run a compression check to see if that is the reason for difficult starting. If compression is up get a tune-up and starting should be improved. Your power steering pump may just have an air bubble that is making the noise. Check the power steering fluid level and you might find the reason for the noise.