One problem related to diesel fuel system pre-heater has been reported for the 2006 Jeep Liberty. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Jeep Liberty based on all problems reported for the 2006 Liberty.
Today my 2006 Jeep Liberty diesel would not start. I discovered that the fuel filter had lost prime and there was diesel fuel leaking from the heater plug connector that is connected to the fuel filter housing. I unplugged the connector and noticed that the yellow plastic plug head showed noticeable signs of scorching (brown discoloration) around the pin holes. Also, when I disconnected the plug there was a hiss of air escaping from the system. No doubt this air leak is what caused my initial problem of lack of fuel pressure causing the vehicle to fail to start. However, the bigger concern here is that the system is leaking fuel and the heater seems to be shorting out its electrical components which is a very dangerous combination.
| Diesel Fuel System problems | |
| Diesel Fuel System Pre-heater problems |