I had the alt checked they said it was ok.so i took the seven mounth old battey in and they said it was dead.so they replaced it.i installed the battery and reset the pcm brain.the car started right up.idrove the car for about 3 days 100miles. (it really started hard in the cold wheather).then i was driving and the car dies,wont even turn over. i get it jumped get home and dies in the drive way apx 1mile.and thats where im at. I am having a similar problem with a 93 240. I have replaced the mass air flow sensor. before that I thought it was a fuel pump relay. My engine would crank, but not turn over. I have a procedure that sounds hookey, but it works for me when I am stranded. Put the car in park if automatic, neurtal if standard. set E brake. Remove your foot from the brake. turn off ignition and remove key entirely. wait 10 seconds... reinsert key and mine always starts.... might reset a relay....i do not know
A dead 7 mos battery is not getting re-charged properly. If alt is ok then it must be wires/connections. Sudden death while driving could be related to bad battery condition - thus the reprieve when turning off and starting over. I would have a real volt meter ( not just dash) attached to this car for a while so that I could see what is going on while driving.
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I'm having a same problem. You should have a self-diagnostic box. Are you getting 2-3-1 code. If so, I will let you know in couple of days how it works out for me. I'm have an in-tank fuel pump and in-tank filter relaced.
CHW
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