the scanner/code reader needs to be plugged in the obd2 connector to get power if you don't plug it in how can the tool work
Yes, an unplugged sensor can cause a check engine light.
Try switching out the relay for the fuel pump. the pump seems ok but its not getting voltage while plugged in. If its not the relay it might be the fuel pump fuse. It could be something else in the circuit
Having plugged ears should not cause any of these problems. If you are having these problems, it is most likely the cause of your plugged ears and you should advice from a physician.
No, A plugged in appliance will not cause a fire. There has to be an outside fuel source that could catch the flame.
If you performed this task with the computer running (power on), you may have shorted out the sound card. Always, when installing or removing any electrical/sound connection from the back of a PC, turn it off first.
A plugged fuel filter, A plugged catalytic converter,
Could be a plugged fuel filter or a plugged catalytic converter.
Plugged fuel filter. Plugged catalytic converter.
If they are unplugged they will not be working. If they are not working they will not be able to cause tinnitus but you may not be able to hear what is going on around you very well... and, if they are a tight fit to your head and ears, you may soon get sore ears and/or a headache...
The most common cause for an engine to lose power is a plugged fuel line or nonworking fuel pump. A plugged air filter can also cause the problem.
Plugged catalytic converter Plugged fuel filter Plugged air filter