My jaquar would not start one day and the engine code came up that the fuel pump was bad.
I took the fuel pump out and check for operation to see if it might be the cars electrical supply. Turned out the pump was no good. I ordered a new fuel pump installed it and the car won't start. I'm not able to check the engine codes because I had to disconnect the battery when installing the fuel pump. To make thing worst the air system lowered the car and I'm not able to even tow the car. What might the problem be. I was thinking the ECU but I don't have anyway to verify