Thread: M103 small misfire / "pee shudders" at idle. Fuel injectors possibly?
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Old 11-24-2009, 08:24 PM
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86560SEL 86560SEL is offline
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Location: east Tennessee (southeast USA)
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My friend with the 1990 300SE has erratic idle when in gear. Sometimes the idle will go up and down and sometimes require harder braking when it idles up. Anyone know what causes this?
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