93 engine semi build but has around 60k miles since.. everything was fine till today on the highway.. just cruising along went into boost (10-12psi) then i hear a pop .. didnt think nothing of it but few seconds later stutter when going into boost again 🤔.. let off gas and stayed off boost seems to drive normal as long as not in boost.. next thing i knoe have no power when giving it gas .. coasted and pulled to the side idle was really low 4-600 then dies.. checked under the hood don’t see any thing odd visually.. car use to crank and low idle then dies. When i give it gas it just dies.. it will crank but doesnt start anymore..

 

seems kind of obvious on this one. pull your spark plugs out and crank the motor. post a video.

 

Thanks for the reply.. called my brother up to get 5gallons of gas just to see.. poured it in and it started with a puff of white smoke but evenutully clears out after a few seconds.. i could have sworn i put 18gallons in 3wks prior with minimal driving.. this setup must be getting way less then 200miles on a full tank .. oyeah my gas gauge doesnt work so i had to go based off KMs since jdm cluster.. but she seems to drive and boost normal as before now