Chrysler Repair: stalling (1993 Chrysler Lebaron), 1993 chrysler lebaron, chrysler lebaron

Question
I have a 1993 Chrysler Lebaron (6 cylinder) with 35,000 miles that stalls in the rain or snow. It will start back up after I wait a few minutes. Also, the tachometer is not working properly. It just stays at 1,000 rpm's most of the time but then will jump up to 3,000 from time to time. Other than that the car runs fine. Do you have any suggestions?

Answer
Hi Ryan,
There could be several reasons for this. But rather than guess may I suggest that you query the engine controller as to whther it has sensed any flaws (faults) in the engine sensors or actuators.  Fortunately there is an on-board diagnostic capability that allows you to readout the engine controller to see if it has detected any problems in such sensors and in many other parts of the engine control system.  Begin by doing a readout as follows: Take your ignition key and turn the ignition switch "on-off-on-off-on" and leave it "on". Do this switching quickly so that no more than 5 seconds elapses. Then watch the 'check engine' light to begin to flash, pause, flash, pause, etc. Count the number of flashes before each pause and make a note of them in the order that they come. The last two flash groups will be 5 in each. Repeat the readout until you have the numbers accurately (the same result, two times in a row). Then pair the numbers two at a time in the order they came, to form two-digit numbers, for example the last number will be 55 which is the code for "end of readout". Then write back and tell me the other numbers that came out and I'll see if any of them are related to your problem. Also just in case tell me which body style you have, and also I assume this is the 3.0L engine with an automatic transmission, correct? Finally, do you really believe that the problem is only related to precipitation and that it doesn't ever happen when the weather is dry? How about outside temperature, is that a factor?
I'll wait till I hear from you.
Roland