87 Mazda B2200 been sitting,drained fuel,replaced with fresh now it starts and run for 3 or 4 seconds than dies.Starts right back up but dies. Pulled fuel line off at carb and cranked engine and getting plenty fuel.If I take a spray bottle and spray fuel into top of carb,I can keep it running.Any ideas?

mcdevito75 here, It could be a dirty gas filter, weak fuel pump, fulty needle valve in the carb. Have your local shop check it out., Also could be a wek timeing chain.

I would try spark plugs and wires. If it was a fuel line you would see the leak or atleast smell it very strongly. If the problem still exists after new plugs and wires try the distributor cap.

CHECK FUEL FILTER FIRST..YOUCAN HAVE PLENTY OF GAS AT IDLE AND SLOWER SPEEDS BUT NOT ENOUGH FOR FASTER SPEEDS..CHECK RUBBER HOSE TO TANK ,,IT MAY BE CRACKED..WON'T LEAK BUT PULLS IN AIR.

When you turn the key to the on position can you hear the fuel pump turn on? If not, the fuel pump relay has gone bad. Make sure you have at least 5 gallons of fuel in the tank. Check and make sure you have fuel flow to the rail, try cracking the banjo bolt on the fuel rail.

your throttle position sensor is maybe causing an overfuel,or the egr is plugged and when you rev it up,it is not burning the excess.if you leave it like that,the excess unburnt fuel will burn out your catalytic converter

Before you replace the fuel pump, I would check the cheaiper parts first. Such as fuel filter and injectors.

Not a solution but i am going through the exact same nightmare and same symptoms with my 1991 mazda b2200. I've apwnt over two grand to have my rebuilt TWICE and my alternator replaced and still does the same thing just starts only to die 2 seconds or so later unless i let it warm up to its max but will still die when taking turns and stopping at lights.

My mazda b2200 starts and will stay running as long as the key is in the start position, but stops as soon as the key is turned from the start position

Let me explain real quick the fuel pump circuit, when you crank to start that is a straight circuit to the pump via a fuse in most cases, when the engine starts and you release the key the fuel pump relay is energized and keeps the fuel pump running, it sounds like the fuel pump run relay may be the problem with your car, replace it or bypass it to test, if you don't understand how a bosch relay is wired don't jump it yourself, you can burn up the wiring.

if it wont hold an idle then one or more of the cylinders are probably too low or high in compression and if it's backfireing then the ignition timming could be off. I would take a compressin test of all cylenders and if they are all in range I would hook up a timming light to se if the timming is out