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Remove the air cleaner, disconnect the wiring from the iac, throttle position senor,and the injectors ( squeeze the tabs together on the top ). Disconnect the throttle cable by open the throttle to put slack in the cable and unloop the cable and slide the cable end out of the hole. Remove the detent cable by sliding it forward off the pin, it just snaps on an off with a sliding motion. Remove vacuum lines. Disconnect the fuel lines, making sure to use a back up wrench on the throttle body fitting, and one on the line fitting. The larger pressure line may have pressure on it. Loosen with a rag covering the area a prevent spray of fuel, hang rag to dry, do not ball up a throw away as gas can be combustive on it's own that way. There are o-rings on the ends of the lines. Remove the three bolts that hold it to the manifold. You should be able to lift it off now, slowly to make sure everything is unhooked, I may have forgotten something, do not think so, but never know. You must have placed the other question on this subject, I answered on of them, and the other should be answered here. Need more help contact me through my board and I will try to help.

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Q: How do you remove a tbi unit safely on a 94 Chevy 3500 454?
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