Other than holding the throttle open until the computer re-learns the throttle position, I doubt the computer has lost anything needed for the truck to start. Check for spark at the plugs and fuel pressure at the injectors like any other no start issue.
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Here, is what I think you are asking. The TBI intake from a 91 will fit the same size engine from 88 to 95. The Vortec didn't come out till 96 I believe. So if your 91 is the original engine then it is not a Vortec motor. If you want to swap your 5.7 with another 5.7 (5.7 = 350) Then the 88-95 should work, Just double check your sensors and locations as the plugs may be different and or in different locations. I know my 88 GMC and my 94 chevy (both K1500's) were a little different. Hope this helps.
Do you have 12 volts at the large post and at the small wire coming from the key switch when the starter will not turn ? There is a neutral safety switch in the circuit that could have failed.
Other than holding the throttle open until the computer re-learns the throttle position, I doubt the computer has lost anything needed for the truck to start. Check for spark at the plugs and fuel pressure at the injectors like any other no start issue.
This process requires special tools as well as refrigerent license. The oil type and quantity is critical. This may best be a job left to a shop, as the tools are pricey.
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