Driving home last night in the pouring rain, about 40mph, I hear a beep and I look down at the dash and it reads "engine failsafe mode" but music was up so I didn't feel the engine shut off and I already had blinker on to make a left hand and had foot on brake slowing down. Wasn't until I went to accelerate through the turn that I noticed that the engine had completely went dead in the intersection! I put it in neutral but it wouldn't crank or start. I finally put it in park and had to try twice before the truck started. What could this possibly be? I have a trip planned for June and I don't need this happening when I'm on the road doing 75mph!
Any clue what to do??
- Thread starter Peymar401
- Start date
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tonydiv
technical advisor
First thing would be to pull the codes and see what happened.
B
bedrck46
It always helps to know the year model engine etc
aircargoo
Full Access Members
hope water is not getting in...check above your visor see if wet.....what yr. is expedition?
^ This
I am assuming this is a second gen as mine has done the same thing. It will most likely be an open circuit on the throttle postion sensor. It happened to me 3-4 times a year over a couple of years. I removed the TB, and thoroughly cleaned it with TB cleaner and haven't had a problem since. If it gets bad enough, the only way to fix it is to replace the Tb as the TPS can't be replaced separately.
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