I have a 1997 Dodge Ram 2500 V8 Van. It cuts off soon as I take foot off pedal. on 1997 Dodge Ram Van 2500

Just brought it. Has 85000 miles in excellent condition. Crank up great but will cut off when I take foot off pedal. Does good for awhile driving. Just when stopping it cuts off. Will crank back up good but have to quickly hit pedal B4 it cuts off again. What must I do...Vehicle sat up for 16 months without going anywhere prior to me buying it.

by in Clayton, NC on November 11, 2012
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4 answers 3 comments
ANSWER by , November 11, 2012
diagnose and inform
ANSWER by , November 12, 2012
poss dirty thottle body or idle air control is not working. test idle air control valve
COMMENT by , November 18, 2012
I have clean the throttle body valve with carburetor choke clean. Use the whole can in both injectors.Put a new rotor button and dist. cap on too.Replaced the 2of 3 valves around throttle body. The 1 facing the housing and the one to the left facing my left knee. Did good for a while, but still up to its' tricks the next morning.All the replace parts were the original parts. I am to believe the spark plugs are the same as well. Gonna change them next if if can get the wires off. They were too tough to remove Saturday past.
ANSWER by , November 17, 2012
Check fuel pressure first. This will put you in the right direction. If fuel pressure is too low, you may need to check fuel filter. Full Diagnostics needed past that so as not to throw parts at the truck blindly. Let us know if we can help further.
COMMENT by , November 18, 2012
Thank you for your reply sir. I have not checked the fuel pressure yet. I changed the sensor in front of the throttle body that faces the housing and I changed the sensor to the left that faces the driver side. Only the 1 in the front remains the same.I changed the Distr cap and rotor button. I notice if I leave the Bi Level switch on and turn fan to high,it didn't cut off when I stopped. Should I adjust the fuel flow or something? Not sure how to do that but I can learn if need too...I just wanna thank you for even taking the time out of your day to care about my situation sir....Thank you so much.
COMMENT by , November 24, 2012
Did you replace the idle air control valve?
ANSWER by , August 24, 2013
Is the battery in top shape because a battery that's on the way out can make it appear that electrical components are faulty .I have Dodge Ram too and when I had the same problem I took the air control motor out and cleaned it, but the battery was past its 3yr. life expectancy.After replacing the battery I wonder if that was the problem was a all along.Because the radio is so much brighter now.Before diagnosing anything it makes a lot of sense to have the battery load-tested or replace it, if it is near it's 3yr.end of life.The p.c.m. needs 5volts to function and everything is controlled by the p.c.m.