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Still chasing my trouble code 1514 after installing my Magnuson.
Should the throttle plate in the throttle body be completely open , with the ignition on WOT (ENGINE NOT RUNNING) .The plate in my throttle body is only about 70% open. Does this indicate the throttle body is worn out. If I manually open the plate the action is very smooth and when released the plate returns to the closed position.
This is the stock, original TB on my 99 FRC.