2.3L ('83-'97) Engine dies when slowing down

[CoastRanger]

I have a 89 4x4 manual transmission that dies when slowing down especially when releasing the clutch and going into neutral. I’ve replaced the crankshaft position sensor and egr & ICM so far. Engine idles perfect and runs perfect. when engine dies it is quick, no choking or feeling of lack of fuel or air. I’m stumped. Help.

 

[Blmpkn]

Hows your IAC valve?

 

[scotts90ranger]

I second that, idle air control is likely the culprit and would be the first place I would look

 

[CoastRanger]

Ok I believe I replaced that about a year or two before this issue started happening but I could replace it again I’ll try it.

 

[Jazzer]

Buy a Motorcraft or Hitachi brand. Other brands don’t work as well with our Rangers.

 

[CoastRanger]

Replaced the IAC valve, no change. Still dies

 

[scotts90ranger]

Once warmed up and running in neutral, unplug the IAC and see if the engine still runs, if you have a tach it should be running around 500rpm, if it stalls screw in the stop screw a little bit at a time.

 

[CoastRanger]

Tried it, I have no tach but engine still ran after disconnecting.