1994 MAZDA B2300 TRUCK Stalling When Going Uphill

Joel Booth’s question:

THANKS FOR THE TIPS ON MY JEEP. I HAVE ONE MORE QUESTION YOU MIGHT ANSWER, I ALSO HAVE A 1994 MAZDA B2300 TRUCK 132,000 MILES. MY PROBLEM IS THAT WHEN IT GETS WARMED-UP THE ENGINE TENDS TO SHUT DOWN ABOVE TWO THOUSAND R.P.M.S WHEN GOING UP A GRADE. I CAN SHUT OFF THE ENGINE AND RESTART AND THEN GO ANOTHER MILE OR SO AND IT DOES IT AGAIN. THIS IS WITH A FULL TANKS OF GAS. I HAVE HAD NEW INJECTORS INSTALLED WITH NOR RESULTS. WOULD THIS BE FUEL FILTER, COMPUTER , EGR VALE, OXYGEN SENSOR ,FUEL SHUT -OFF VALVE , IGNITION SWITCH ETC. ARE THERE ANY COMMON PROBLEMS WITH THIS MODEL YEAR, RECALLS THANKS FOR YOUR HELP JOEL

Answer:

I once saw one due exactly that and it was the automatic transmission going out, it would stall the engine down only when going up an incline, but that’s exceptionally rare. I have also seen bad fuel pumps or a clogged fuel filter do the same thing, so definitely change out the fuel filter first, it could be that simple. Always start with the simple things first, like the filter, then the pump if that doesn’t work. There are no recalls for that type of problem in that Mazda, I checked.


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