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  1. 2.5L - 1st gen 4-banging
    We didn’t a 2.5 swap from a 91 S10 into the wife’s Vega, and no start. Have spark and fuel to the tbi, but nothing from the fuel injector. I’m on my way to get a new one, but wondered what sort of signal it gets to operate and how to test that signal and the injector itself?
  2. S10 / S15
    This is just a crazy idea my friend and I got to talking about, anyways I have a 350 going to go in my '91. I was wanting to keep the TBI and just switch it over, obviously, change the computer and injectors. Then, I came across a dual carb tunnel ram intake, and I know they make adapter plates...
  3. S10 / S15
    Hello. Ive got a 1990 s10 4.3l tbi I’m slowly working on and one of the feed lines attached to the back of the carb was severed, i think someone bent it when removing the carburetor, it runs down and the rubber end slides over the other fuel line that goes into the frame. Following so far? so...
  4. S10 / S15
    so I’ve got this 1990 s10, 4.3l tbi. Truck idles fine, seems strong. As soon as I put it in drive and go to leave it’ll die, not stutter or sputter but cut off and die. I can feather it and it’ll SLOWWWWWLY climb. My guess is electrical. I’ll skip a lot of the reading and show what I’ve...
  5. Blazer / Jimmy / Bravada
    I want to do a Factory Camaro TPI injection setup on my 350. I've seen it done on many S-Trucks in books and online but I have a bunch of questions: Somebody please help me out! Will a 85 TPI setup connect and work with a 94 4.3 CPI computer? Does the year of TPI matter? Will TPI work with the...
  6. S10 / Sonoma
    When I'm on the gas lightly it wants to sputter/chug like it's getting to much fuel and missing have code for multiple random misfire also misfire cylinder one code have replaced MAF, MAP, PCV, Cannisters purge valve, new cap, rotor, acdelco iridium plugs, belden wires, throttle response is slow...
  7. S10 / S15
    I’ve had hell with a ‘92 2.5L S-10. Left it parked at the ranch for a couple years. Prior to that it has been my spare truck when the big diesel work trucks go down, hadn’t failed me in over 10 years, but alas, I ignored her for too long,... Started with fuel filter, (and fuel treatment...
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