Ford Escape Hybrid goes dead if not driven for 3 days straight
I have the same problem with my 2007 Escape Hybrid... First experienced it about 1 year ago. The vehicle produces periodic sounds like an electric motor running for several seconds. I believe this is from the motor driven safety relay that disconnects and reconnects the high voltage hybrid battery when the vehicle is not in use. I also can hear a high frequency scream that sounds like a switching inverter power supply. If the vehicle is unused for a day or two the 12V battery is discharged and a jump is needed to start the engine. Ford service could not diagnose the problem. The +12V battery tested OK, but since it was almost 3 years old it was replaced anyway. This helped for a while, but the problem returned after I recently left the vehicle unused for several days. I know the battery is good, it tests OK and is less than one year old! Somewhat reluctant to go back to the same Ford service agency because of their previous failure to fix it. Please advise if you have found a solution or have additional information. This is the only problem I have ever had with the hybrid Escape, but it is very annoying. I am forced to carry a jumper battery to make sure I don't get stranded.
Dec 30, 2008 |
2005 Ford Escape