well.....this might help,
I have a 93 mx3 with the v6 from the mx6 swapped. But anyway...I had the same distributor issue on my 1.8 v6. Replaced the distributor, then literally about a mile away from the shop is stopped working again. First question, do you have platinum plugs in there right now? if you do... get rid of them. they help burn out the distributor. second. I found that there alot of time is faulty wiring on the actual harness leading to the distributor. Ever since i swapped the engine however I have not had that issue. also make sure you are using a genuine Mazda distributor. Aftermarket ones or remans don't seem to last as long. I have a friend who works at Mazda and that is what they say. Also have a friend that owns a 95 Ford Probe v6 and he has gone through 5 distributors, and when he put the Mazda one on he hasn't had an issue yet. hope that helps. sorry for sloppy typing.
the primary thing to look at in your situation is the ignition module; the conditions you described sound like it is bad. when it cools down... it works. this so, try replacing it, or there is a remidy using a GM 4pin module (actually 5, the fith is the mounting ground) that is outlined in mx3 website in the forums, and probetalk... hope this is helpful to set you in the right direction!
>>>My MX6 dies aftewr about 20 minutes driving. An electrical specialist diagnosed the ignition module in the distributor. When it gets hot, it fails.
I am an auto tech and have been working on a 98 mpv 3.0l and cannot seem to get a good aftermarket Distributor for it. I am on the 3rd one now. 2nd one came damaged because it wasnt boxed very good.( All the same brand)
The problem seems to happen after the diagnostic connector is grounded to check the timing. After that it seems to weaken something in the Distributor and the the car will only run for a minute or 2 until the dist. heats up then it stalls and won't start until it cools down. I have spoke to someone from the company tech line and he had no answer for me.
The customer does not have a lot of money to spend on this old vehicle but it looks like we will have to go to Mazda to get something that will last. Way too much junk out there these days.
Now I have to go figure out why my new carpet cleaner won't run. WHAT EVER HAPPENED TO QUALITY CONTROL !!!!!!!
The Optispark distributor is notorious for causing this problem.
Check plugs, wires, distributor cap Do a compression test to see if problem is internal
This mite mean you have a bad timing problem... there should be 2 adjustment bolts on the distributor in the front of the engine.. losen those slightly when the car is running and slowly turn the distributor clockwise until the engine sounds to be running better
If your lights pulsate while the car is running in your E320, you probably have a problem with the alternator or distributor. This type of issue is most likely electrical.
the distributor is the likely culprit.
Look at the spark plugs-- if one has no wire at the top, that is the problem- there should be a wire from each spark plug to the distributor cap.
AAA changed my flat tire. I had an alarm clock problem.
Bad water pump , problem with engine cooling fan ( if it is actually running hot and not a problem with the gauge or sending unit )
if you're looking down at the distributor it rotates clockwise while running.
Check the distributor electronic module. I had the same problem with a Mazda 626 and I changed the distributor and it runs fine since then. The electronic module overheats and does not function properly until it cools off again that is why your car will stall and after it cools off it will start again.
you've got the distributor off 180 degrees...
I am not sure of the entire problem whether it starts all the time and stalls occasionally or does it shut off as if you just turned the key off? If it is the latter, check the ignition module near the distributor. If it is running try tapping the module and if it stops, that may be your problem.