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Mustang Forums
2011-2014 Mustangs
2011-2014 Mustang Talk
Codes concerning misfire.
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<blockquote data-quote="Norm Peterson" data-source="post: 16499396" data-attributes="member: 193960"><p>If the same code(s) returned, it points to the problem being upstream of the coil. Which could be anywhere from the harness connector to the coil to what the various sensors are telling the ECU.</p><p></p><p>You've got two cylinders misfiring, at least randomly and/or during startup, plus a high idle and both banks running lean. Any chance of an air leak downstream of the mass air flow sensor, where you'd be getting unmetered air that the ECU can't be knowing about?</p><p></p><p></p><p>Norm</p></blockquote><p></p>
[QUOTE="Norm Peterson, post: 16499396, member: 193960"] If the same code(s) returned, it points to the problem being upstream of the coil. Which could be anywhere from the harness connector to the coil to what the various sensors are telling the ECU. You've got two cylinders misfiring, at least randomly and/or during startup, plus a high idle and both banks running lean. Any chance of an air leak downstream of the mass air flow sensor, where you'd be getting unmetered air that the ECU can't be knowing about? Norm [/QUOTE]
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2011-2014 Mustang Talk
Codes concerning misfire.
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