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Cobra Forums
The Terminator
Engine/Tuning
Belt tensioner pulley causing erratic idle?
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<blockquote data-quote="Blkkbgt" data-source="post: 16504630" data-attributes="member: 117234"><p>The fact that the issue is sudden tells me you don't have a tune issue. Tunes don't magically go bad but components do. I am going to guess you have a vacuum leak because BOTH banks are throwing lean codes.</p><p></p><p>I know you said you checked for leaks but you should probably do it again. Check around the blower and manifold not just the lines. Also check the vacuum at idle and see if its low.</p></blockquote><p></p>
[QUOTE="Blkkbgt, post: 16504630, member: 117234"] The fact that the issue is sudden tells me you don't have a tune issue. Tunes don't magically go bad but components do. I am going to guess you have a vacuum leak because BOTH banks are throwing lean codes. I know you said you checked for leaks but you should probably do it again. Check around the blower and manifold not just the lines. Also check the vacuum at idle and see if its low. [/QUOTE]
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The Terminator
Engine/Tuning
Belt tensioner pulley causing erratic idle?
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