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FML Another IMRC thread (stuck open)
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<blockquote data-quote="mwolson" data-source="post: 11937690" data-attributes="member: 16006"><p>It won't run rich or lean with the IMRCs stuck open.</p><p></p><p>At idle and part throttle, the PCM is in closed loop so the AFR is kept at stoich based on feedback from the O2 sensors.</p><p></p><p>At full throttle, the AFR is driven from a table based on the MAF reading, so you will get very close to the commanded AFR at WOT. So you don't have to worry about stuck IMRCs damaging your engine.</p></blockquote><p></p>
[QUOTE="mwolson, post: 11937690, member: 16006"] It won't run rich or lean with the IMRCs stuck open. At idle and part throttle, the PCM is in closed loop so the AFR is kept at stoich based on feedback from the O2 sensors. At full throttle, the AFR is driven from a table based on the MAF reading, so you will get very close to the commanded AFR at WOT. So you don't have to worry about stuck IMRCs damaging your engine. [/QUOTE]
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FML Another IMRC thread (stuck open)
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