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Contour and Focus
SVT Focus
Question
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<blockquote data-quote="a64armt" data-source="post: 3007767" data-attributes="member: 7022"><p>I am not too familiar with the architechure of the fuel injection system on the Focus, but on my 5.4 Exped, I had vaccum line problems, more specifically, on the EGR valve the vaccum lines were the cause. The RPM drop that far when coming to a stop, sounds like a vaccum problem, possibly a MAF sensor issue, but I would inspect all vaccum lines before replacing the O2 sensors.</p><p>Vincent</p></blockquote><p></p>
[QUOTE="a64armt, post: 3007767, member: 7022"] I am not too familiar with the architechure of the fuel injection system on the Focus, but on my 5.4 Exped, I had vaccum line problems, more specifically, on the EGR valve the vaccum lines were the cause. The RPM drop that far when coming to a stop, sounds like a vaccum problem, possibly a MAF sensor issue, but I would inspect all vaccum lines before replacing the O2 sensors. Vincent [/QUOTE]
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