Did you pull the engine codes? If your truck had dual tanks than see if it does it on both tanks. Did you put on a new coil when you did the tune-up? Does it do it all the time or only when it's warm or cold?
I don't collect guns(or vehicles), I accumulate them.
How much can you rev it before it starts sputtering? Does ur truck have a tach? What you're describing sounds like computer problems. I've seen this problem 2 times in the past month and the computers were fried. You could rev it up to about 2200 and it'd cut out and die even slowly revving it. And if you can on it quick it chokes right away. Sound familiar?
Have you tried to just ground the single wire that goes to the code reader and get the codes watching the CEL flash. I couldn't get my 92 to give up codes with a code reader but when I ground the single wire it works just fine. Goos like getting it diagnosed
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