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
No, an unplugged battery charger will not cause a battery to discharge.
Yes, an unplugged sensor can cause a check engine light.
A hole or crack in the tube leading from the MAF sensor over to the throttle body.
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
what cause the ac light to blink on a 1999 Toyota sienna
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.
No, A plugged in appliance will not cause a fire. There has to be an outside fuel source that could catch the flame.
A plugged fuel filter, A plugged catalytic converter,
Plugged ears can cause feelings of disorientation and balance issues, which may contribute to confusion. However, memory loss and eye problems are less likely to be directly caused by plugged ears. If you are experiencing these symptoms, it is important to consult a healthcare professional for a proper evaluation and diagnosis.
Could be a plugged fuel filter or a plugged catalytic converter.
After reading the codes with a scanner, and repairing the cause, you clear the code with a scanner
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...