What causes a faulty fuel level sensor?

Question

The check engine light came on and the diagnostic test gives a P2066 code.

Answer 1

Hi there

The most common cause of this issue is the fuel sending unit itself. Sometimes there can be wiring issues between the sending unit and the computer as well. Here is some more info

P2066 CHRYSLER - Fuel Level Sensor 'B' Performance

Read more: https://www.autocodes.com/p2066_chrysler.html