So why would brake cleaner start the car? I agree it would seem to be a fueling, sparking, electrical type issue, but it boggles me that brake cleaner starts the car, why?
Its super flammable. There was a spray like this made for diesels when its cold. I never used it as its not good for something in your engine.
So if you have an electrical problem - it will start
If you have a fueling problem it will still start
Okay - so the cleaner is like the defibrillator of the car world. But then after the injection of flammable fluids why doesn't the car not stall after it's go go juice injection?
This is real confusing - and a shame the old car doesn't have OBD connectivity!
I couldnt tell you. But maybe clean or check the crankshaft sensor? Mercs are notorious for it and all show the same signs you say. Although no one sprays brake cleaner in