Stalling Issue
#1
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OK, lets start at the beginning. A couple months ago I noticed a little mis in the engine when accelerating. I had this problem twice before and it was just time for a routine tune up. I changed the plugs. Two weeks later I changed the wires, cap and rotor. All it did was make the miss worse. I brought it in and they changed an injector, this did not help at all. I still have the miss, happens when going up hills, full tank or half tank of fuel it doesnt matter. I went to start it yesterday, dead battery. Swapped out the battery, tested the alternator which is putting out 14V. Now when I start it the start is real quick and the RPM's drop down to about 200 and almost stalls. If I give it a quick shot of gas and let go the truck stalls out... Any ideas? I have a few thoughts running through my head but would like to see what feedback I get before saying anything as to not lean the advice one way or the other. Thanks in advance.
#3
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Assuming you checked your air filter and made sure it doesn't have a rats nest and tons of debris, I'd say justin got you in the right direction. At first when I was reading I thought, no it couldn't be the IAC but later on I conclude that it is either the Intake Air Control valve (IAC) or the Throttle Position Sensor (TPS). They are both like $25 IIRC from any auto parts store and are where I'd start off with first.
#4
#5