I seem to be having a similar problem and looking for some help... I live in the USA, Florida state. I have a 1991 Toyota Camry Wagon LE V6 Engine. It runs fine, but if I step on the gas to over take another car or just put a lot of the demand, it shuts the engine off... I do have spark, I replaced the sparks plug, the coil/rotor and fuel filter. When it the engine dies and I try to start it again, it turns over it just won't start. Battery is good, no weird noises or anything. Being dead on the side of the road I discover something, if I unplug the electrical plug to the MAF, the car would start but it will die soon. Then if I plug the cable back to the MAF, the kind of resets everything and then the car would start again and continue to run fine as long as I take it easy. I got one of those spray to clean the MAF sensor, I sprayed the sensor and cleaned the whole housing but that did not help, problem continues. What could be the problem ? If it is a MAF going bad, can I repair those so that I don't have to buy a new one, or is there a place where I can ship it to in the USA to have it repaired ? I called the auto parts and they want $195 USD for a new sensor and I just don't have that kind of money right now for something I am not even sure that is the problem... PLEASE HELP....
