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New Edge Cobras
help me diagnose
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<blockquote data-quote="ijt351" data-source="post: 10790234" data-attributes="member: 65091"><p>To see if it is egr related at all just pull the vacuum hose off of the egr valve and drive it. If it still surges it ain't the egr system. pulling the hose off will only code an insufficient egr flow. sounds like it could be fuel problem. get a fuel pressure gauge see what pressure is and then snap throttle, if it dips even a little sounds like fuel pump. and if you got the egr sensor at a parts store hang on to your old one cause it will fail.</p></blockquote><p></p>
[QUOTE="ijt351, post: 10790234, member: 65091"] To see if it is egr related at all just pull the vacuum hose off of the egr valve and drive it. If it still surges it ain't the egr system. pulling the hose off will only code an insufficient egr flow. sounds like it could be fuel problem. get a fuel pressure gauge see what pressure is and then snap throttle, if it dips even a little sounds like fuel pump. and if you got the egr sensor at a parts store hang on to your old one cause it will fail. [/QUOTE]
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