Not just the TPS, but the idle screw also. And you may even have to pull the battery for 30min to get it to idle. I know, I'vd had more idle problems than you can imagine.
SKy
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-1989 Saleen Mustang #406- TFS Heads, E-303, edelbrock intake,70MM TB, 73mm MAF, off road H, headers and 3chamber flows.
12.55@107mph
Runs on 87 Octane and gets 24mpg!