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How do you fix an F-150 from surging at different speeds and RPM's?
Wiki User
∙ 16y ago
I had a similar issue with a 1991 f-150 2 wheel and a change of the ECM(electronic control module) which is located on the bottom front of the distributor. It is a flat thing about 3 inches long and 1.5 wide with a wire harness of about 10 or more wires going into the plug.
Wiki User
∙ 16y ago
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