1997 3.9l efi convert to carburator
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carb = a bitch if you need to drive in different elevations lots of changing the mixture lol. While efi does it with o2's
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I might disagree with what being said here. In the old days, yes some carburetors were a pain-especially the quadrajet 4 barrel carbs (I rebuilt many) But, my last carburerated vehicle, I found the PERFECT carb. Its the Chrome Eldebrock carb that summit sells. It is just as smooth as fuel injection, and worked equally as well.
My truck I have now I have had nothing but problems with. After replacing all the sensors myself and even fixing the Plenum and doing a tune up, it still ran bad. Took it to a repair shop that changed a sensor I already replaced, and did another tune up on it. They even cleaned the fuel system and ran an engine diagnostics test. It runs even worse now! It dies almost everytime I come to a stop. Somehow they screwed up the MAP sensor, so Im getting codes on it now. I didnt before. It runs way too rich when idling. No vacum leaks.They dont know whats wrong with it either. I am seriously thinking of trashing the computer, sensors, EFI and going back to the carb setup!! At least if it goes bad, there isnt a fortune in sensors to replace!!!!!
My truck I have now I have had nothing but problems with. After replacing all the sensors myself and even fixing the Plenum and doing a tune up, it still ran bad. Took it to a repair shop that changed a sensor I already replaced, and did another tune up on it. They even cleaned the fuel system and ran an engine diagnostics test. It runs even worse now! It dies almost everytime I come to a stop. Somehow they screwed up the MAP sensor, so Im getting codes on it now. I didnt before. It runs way too rich when idling. No vacum leaks.They dont know whats wrong with it either. I am seriously thinking of trashing the computer, sensors, EFI and going back to the carb setup!! At least if it goes bad, there isnt a fortune in sensors to replace!!!!!
Last edited by Forceofwon; 09-19-2011 at 06:33 PM.