injector clicking? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 03-02-2010
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Post injector clicking?

hi i have a 93 ranger with a 4.0 and when i step on it or accelerate the injectors or somthing makes a clicking noise but when i hold it at a constant speed the clicking goes away. is there any way to fix it or is it the trucks age catching up with it?
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Old 03-02-2010
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I doubt your hearing the injectors because they are quite quiet. It sounds to me like you might be hearing pinging/detonation. It would only occur when under load such as accelerating or climbing a hill, but would go away at constant speeds. You could try running premium gas with a higher octane rating for one tank and see if it goes away.
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Old 03-02-2010
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ok ill get that a shot
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Old 03-02-2010
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Or exhaust leak, valve train noise.
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