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The 3.0 liter engine in my 92 Plymouth Voyager (40K miles)...

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Question by busterob
Submitted on 12/16/2003
Related FAQ: rec.autos.makers.chrysler FAQ, Part 1/6
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The 3.0 liter engine in my 92 Plymouth Voyager (40K miles) begins to stall whenever it begins raining. In heavy rain it won't start at all. I have tried changing the plug wires, but there is no improvement. What else might be causing this? (Someone suggested that the computer may be susceptible to moisture.)

Answer by Steve
Submitted on 12/31/2003
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this may help.
I did seem to fix my stalling problem:

Removing the hose (air intake into the fuel injection system, taking some throttle body cleaner and spraying the throat area out and wiping it down with a rag as far as I could get my fingers in.  

I also sprayed a bunch down into the two orfices on the bottom inside of the throttle body. I think one orfice goes to the throttle idle positioner (I can't remember the name of the gizmo attached to the other orfice.  I heard they tend to stick at times and I didn't feel like trying to remove it and clean it.  That seemed to do the trick.  No stalls for the last couple of months.  I think it will need to be done every now and then.

You can get real thorough and take the throttle body apart and remove/clean the other two gizmos but that requires gasket replacements and maybe a tool to get a plunger in one of the gizmos retracted so it can be reinstalled.  Not something I want to spend the weekend doing.

As you can see, I'm not a grease monkey and I tend to try the easiest fixes first and hope for the best.  The dealer charged me $90 when I first got my van for this pleasure (at 30K miles).  They apparently were removing the throttle body and cleaning it as they were charging for a gasket that was replaced.

I hope this helps.


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