Chrysler Repair: 93 Concord 3.3L: not starting & stalls., side exhaust manifold, chrysler concord

Question
93 Chrysler Concord 3.3 not starting %26 stalls.
How to check:  coil,  MAP, O2 sensors,

Answer
Happy New Year, Ed!
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Hi Ed,
I am not sure those items are the cause.
Rather than go through all the details, I would prefer you to use the ignition key to check for fault codes that may be stored in the engine control module and then with that specific direction deal with the item in question. You check for fault codes that give a hint as to the no start cause.
Turn the ignition key:"on-off-on-off-on and leave on" doing that in 5 seconds or less elapsed time. Then watch the 'check engine' light which remains on to see it begin to flash, pause, flash, etc. Count the number of flashes before each pause. Then repeat to be sure you have the counts accurately. Then group the counts in pairs in the order of appearance. The last number should be 55, which is the code for 'end of readout'. The other numbers are relevant so let me know what they are or go to www.allpar.com/fix/codes.html  Then we can go from there.
I would also check the egr valve to see if that might be hung up ajar which will cause hard starting and die off when slowing down. It is near the throttle body mounted in a pipe that runs around from the right side exhaust manifold. Notice that between body of the valve and the vacuum operated solenoid on the top of the valve there is a flange inside of which there is a rod with a circumferential slot. That is the valve stem and you can put the tip of a screwdriver in the slot and use it to move the stem back and forth, against spring-action that tries to close it in one direction. If the spring doesn't close it firmly to a dead stop then spray some WD-40 on the stem where it enters the body of the valve and then work the stem some more. See it that doesn't fix the problem.
Roland