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SN95 Cobras
Running Lean At Startup
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<blockquote data-quote="SvtCobra.5000" data-source="post: 11587973" data-attributes="member: 125281"><p>My car is running really lean at startup it doesn't matter if its cold or warm. CEL comes on & throws these two codes P0171 & P0174 my wideband is maxed out at 22.4 & it idles high, it takes about a minute for the idle to level out and than the a/f ratio slowly lowers to 14.7-15.3 I get a steady 12.5 at wot so I don't think its a fuel pump/injector issue (could be wrong) it takes 2-3 turns of the key to prime the system before it will start. I've cleaned the maf, checked for vac leaks, checked fuel pressure. Not sure what to do next:shrug:</p></blockquote><p></p>
[QUOTE="SvtCobra.5000, post: 11587973, member: 125281"] My car is running really lean at startup it doesn't matter if its cold or warm. CEL comes on & throws these two codes P0171 & P0174 my wideband is maxed out at 22.4 & it idles high, it takes about a minute for the idle to level out and than the a/f ratio slowly lowers to 14.7-15.3 I get a steady 12.5 at wot so I don't think its a fuel pump/injector issue (could be wrong) it takes 2-3 turns of the key to prime the system before it will start. I've cleaned the maf, checked for vac leaks, checked fuel pressure. Not sure what to do next:shrug: [/QUOTE]
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Running Lean At Startup
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