In the last two weeks my 1995 12 valve has left me stranded three times and has acted like it is out of diesel. The first time it happened driving down the freeway and it just died so i changed the fuel filter with new one behind seat and added 2 gallons fuel,primed it and cranked right up and when i filled up, it only held 17 gallons. I drove from Dallas,tx to Corsicana,tx and with only 320 miles off a full tank, stayed 8 hrs and would not crank, added 5 gallons fuel, primed it and it cranked right up. Filled it and only held 13 gallons, drove 65 miles back home 130 miles round trip on a full tank. I left it over night and it wont crank. If i prime it it will start with pumping pedal and run rough and then die. Each time upon removing fuel cap each time a heavy rush of air escapes like vaper lock (louder than normal) and i have had some loss of power in last couple of weeks. If you have some useful knowledge I am open for suggestions.

 

Try it with the fuel cap on loose.