Mazda B2600 question

Devils Advocate · 2007-10-23T19:45:36+00:00

I have a 92 mazda b2600 that I have owned for a few years.I have a problem whereby the truck loses power, bucks, and sputters frequently.I have just replaced plugs, wires, distributer cap, rotor button.Fuel pressure is 22 pAny ideas?I know this is toyota forum.