Engine fail safe is on the 4.6 L V8 engine only - ( you have lost your coolant ! ) - find and then repair the cause of your coolant loss
According to the 2005 Ford Explorer Owner Guide fail safe cooling is only on the 4.6 liter V8 engine ( loss of engine coolant )
The 2005 Ford Explorer has a V6 engine.
what is a fail safe mode for a Ford Explorer 2005
what is a fail safe mode for a Ford Explorer 2005
The 2005 Ford Explorer has a 4.0 L base engine size.
The 2005 Ford Explorer's engine produces 210 hp @ 5100 rpm.
The 2005 Ford Explorer's engine produces 254 ft-lbs. @ 3700 rpm.
On a Ford 4.6 liter V8 , engine fail safe cooling means that you have lost your engine coolant
I believe your engine coolant level is LOW
The 2005 Ford Explorer 4.0 litre Single Over Head Cam , V6 engine has a cast iron engine block with aluminum cylinder heads
Under the engine.
10w30 ======================================================== According to the 2005 Ford Explorer Owner Guide : For the 4.0 liter V6 engine ( 5W-30 ) For the 4.6 liter V8 engine ( 5W-20 )