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You get a code 84 on 1986 ford ranger 2.9 l engine Just replaced the control valve and still get the code What do you do now?
Wiki User
∙ 9y ago
If service was performed on a 1986 Ford Ranger 2.9L and the code is still showing up, the computer should be reset. Disconnect the positive cable on the battery for a few seconds. This should take care of the problem.
Wiki User
∙ 9y ago
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