P0628
Powertrain Codes
P0628 - JEEP - Low Voltage Detected At The Fuel Lift Pump
Possible Causes
- Fuel lift pump circuit open or short - Faulty fuel lift pump
When Detected
- Engine Light ON (or Service Engine Soon Warning Light)
Tech Notes
Usually the solution to the problem is the fuel lift pump
Description
The commanded signal to the fuel lift pump does not match the feedback signal