If it is not the Throttle Linkage then Unplug the Idle Air Control Valve 

to see if it will settle down ~ If it does it points to the Idle Air Control Module

as the Culprit ~ You may luck out & just be able to get away with a Contact

Cleaning but that's a Bit Of A Reach ~

                                                        ORR ~ DeanB 

On 31 May , 2017, at 8:23 AM, Steven Johnson wrote:

> And if it is not a stuck throttle, then you're probably going to have to
> replace the idle control unit.  Happened to an 86 transporter (automatic) I
> had for a few years.
> 
> Steven
> 91 Westy
> 
> On May 31, 2017 6:49 AM, "kenneth wilford (Van-Again)" <kenwilfy@comcast.net>
> wrote:
> 
>> Probably throttle linkage stuck if it is an automatic, this can happen.
>> Check it at the engine to be sure it has returned fully to idle position.
>> 
>> Ken
>> 
>> On Tue, May 30, 2017 at 11:33 PM, John Rodgers <jrodgers113@gmail.com>
>> wrote:
>> 
>>> Runaway RPM at startup or in neutral with foot OFF the gas pedal'
>>> 
>>> I remember having this problem about 7 to 8 years ago when i first got
>> this
>>> van. I fixed it, but in the meantime a lot of time has passed plus INhve
>>> had a stroke, and recognize that my memory is more fuzzy than it was. I
>>> cannot for the life of me remember what I did to resolve  the issue. I
>> seem
>>> to remember it was some vacuum issue but unable to be certain. The engin
>>> runs good, smooth, has good power (now that I have fixed a vacuum leak on
>>> the fuel pressure regulator hose)
>>> 
>>> I would appreciate any ideas on this. Where to look, how to start!
>>> 
>>> Thanks,
>>> 
>>> John in Alabam!!!!
>>> 
>> 
>> 
>> 
>> --
>> Thanks,
>> Ken Wilford
>> John 3:16
>> www.vanagain.com
>>