Recreational Vehicle Lpg Tank Valve/gauge problems of the 2012 Ford F-150

Driving down the road when the truck lurches forward, rear tires make a squealing sound from skidding. It was hard to keep truck in center lane of interstate and immediately had to make my way to the emergency lane. Once I turned the truck off and sat for a few minutes it acted like nothing ever happened. I have read the reports of the intercooler being messed up and several years ago I had to replace that part due to oil and water entering it but Ford says it wasn't under warranty due to a part not being covered. I have had coils replaced, spark plugs replaced, and now I'm having to go thru the whole process again. Its dangerous and frustrating. I've had it happen a couple more times but not to that extent. The gauges will peg all the way to the right then go to zero and airbag light will come on. Truck resets to normal when turned off and back on again. I have had this problem happen most of the summer. But this incident happened a few weeks ago. Repair shop can't replicate it and the computer diagnostic test doesn't find it either.

I obtained this vehicle November 2012 from Ford motor company after winning an arbitration case I filed. Reason: the fuel gauge system in the truck it replaced, a 2010 Ford, 150, 4x4, was totally inaccurate and undependable. The arbitrator agreed that it was unsafe and granted us the option either to accept a new vehicle with similar features, or a buy-back. Throughout months of processing and several visits to a local Ford dealer for unsuccessful repair attempts, Ford steadfastly denied any issues existed--that the entire fuel monitoring and measuring system was working as designed--despite the fact that a disinterested third party expert hired by the bbb test drove our truck and concluded it was defective. Furthermore, a google search revealed numerous similar complaints wherein some owners actually ran out of gas owing to an inaccurate fuel gauge reading. Here is a recent and typical example of the problem: a few days ago when I started my truck, "miles to empty" was 225. The fuel tank showed between one-quarter and one-half full. Approximately 10 minutes later, "miles to empty" read 90, and the gas gauge was slightly above empty. I don't really care much about the "miles to empty" feature because I've learned not to trust it; however, when the fuel gauge shows a half tank of gas remaining, then a few minutes later drops to nearly empty, I become concerned--particularly when driving in the mountains where we live, and in snow conditions, thus creating a safety issue. To this day, Ford denies an issue exists.