1994 940 NA, LH 2.4/EZK116, 160k miles. Car gets passed around from family member to family member. A son, the owner, was driving it for about 2 hours in a NC ambient of 90F and the engine stalls. The description was that the engine sputtered out and wouldn’t start, other than sputter. Tank filled 50 miles prior to stalling; if it was winter up north could have been water. It still might be. Forty five minutes after the stalling engine works normally. I did do a water pump gasket replacement a day before and it’s got to be unrelated. (I wish they made the mushroom gasket out of an oil resistant compound.)

Over the phone OBD1 diagnosis, nothing but a 111 in socket 2 and 6. I’d like to have a clue.

I know an answer cannot be pin pointed but I am leaning toward the power stage.

Anyway, I think it is going to get a new FI relay, crank sensor and fuel pump relay not to mention a cap (crack?) and rotor plus some normal tune up items, besides new grease on the power stage.

I have not ruled out the fuel system problems like a pump or pressure regulator.

Power stage, please?
Tom