A lot of people make it sound like it is almost trivial to recover from sudden acceleration, I think not.
Not to worry, I strongly suspect that most of the people you think are trivializing the problem either have not actually experienced it to a significant degree (if at all), don't understand how easily this could become life threatening, or are just brandishing their egos. (Why I'd take out my pen knife and skin the grizzly alive not try to roll up in a ball and play dead.)
Lots of comments, some realistic but perhaps misinformed, were made regarding my sudden acceleration event which I described in a post here.
Let me rehash and add to that post and offer a chronological progression of events which should cover some of the comments that were made.
First, let me set up the scenario. I was driving a nearly new (way less than 10,000 miles) diesel powered Dodge Ram 3500 with automatic transmission and 4x4 on cruise control at 65 MPH. For no apparent reason the truck went full throttle or nearly so and began to accelerate. Consider the truck is nearly new and the throttle was not the least bit sticky. It was equipped with an exhaust brake but that is configured to NOT come on if the throttle is advanced past idle ant it was working properly. Here is what I did:
1.There is a cruise control off/on switch (with green LED indicator) located on the steering wheel so I tried to turn the cruise off BUT that had NO EFFECT and the light stayed on indicating the cruise was still powered up.
2.Applying the service brakes (or just taping the pedal lightly) is supposed to disengage the cruise control. I did, it didn't.
3.At this point I applied the brakes quite forcefully to prevent overtaking traffic ahead. They worked BUT were incapable of holding the diesel engine back sufficiently. I was quite capable of applying several hundred pounds of pedal force and likely applied 2-300 BUT the brakes (which were in good condition and not suffering any malfunction) were not capable of holding the engine back and I realized if I tried too long I'd get brake fade. I had previously experienced brake fade with this truck while carrying a large cab over camper and descending down from 11,000+ feet. That is why I got the exhaust brake system installed. Anyway, I had a feel for how long the brakes would last from this previous experience and I was rapidly approaching what I considered to be THE LIMIT of decent braking action so to save some for later I stopped trying since it wasn't a solution to the problem anyway.
4.Appraising the evolving situation I next shut off the key and then hit neutral and when the RPM dropped indicating the engine was off I used a combination of coasting in neutral and coasting in drive and cautiously changed lanes to the right and took an off ramp and successfully stopped at the bottom of the incline at a stop sign.
5.I fully expected that when I restarted the engine I'd get full throttle. I was prepared to sprint and drift till I found a safe place to get off the road and have a look under the hood but when I restarted the engine it idled normally, the throttle worked properly, cruise worked normally, and I never had a bit of trouble of this sort or any any thing remotely resembling this event ever again with this truck and I still own and drive it.
Putting the tranny in neutral and letting the engine overspeed was not a tactic I chose to use as there were other alternatives which were just as effective but carried no risk of hurting the engine.
There was no brake failure. The engine had been slightly warmed over by replacing the injectors with onesw with finer holes and replacing the injector pump with a much higher pressure one. This gave me more HP, more torque, and at the same time a little better fuel economy by getting more complete combustion due to finer fuel plume. This slight hot rodding of the engine had no part in the sudden acceleration event other than helping the engine overpower the brakes. (note this was the last of the 12 valve non computer Cumins engines in the Dodge)
I did not come very close to having an accident but if traffic had been quite heavy it could have gotten quite dicey really fast. Luckily traffic was only moderately heavy and nothing bad happened to anyone.
I was not panicked but probably did get a little adrenaline going to assist me with the steering and brakes with the engine off. The duration of the event from onset with sudden unintended acceleration to starting down the off ramp pretty much in control was just several seconds, probably well under 30 seconds. I credit part of my response to such events to previous experiences such as nearly a thousand hours overcoming all sorts of malfunctions while flying under simulated instrument conditions in a flight simulator (USAF) and a particularly harrowing mountain descent where another of my truck's brakes totally failed, the emergency brake handle and cable came out of the dash in my hand when I gave it a good adrenaline fueled tug, and I ended up jumping out as soon as I got it below 20MPH leaving the driving to a passenger while I jumped in the back of the slide-in camper to get a fire extinguisher to put out the fire in the right rear wheel well from burning hydraulic fluid spilling out due to extreme heat of the failed wheel bearing having melted the rubber thingies in the wheel cylinder.
Maybe someday we should have a thread about harrowing experiences on tractors, and other vehicles or situations. A good title might be "my highest pucker factor experiences" or "my closest calls while operating a machine."
Pat