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Cobra Forums
The Terminator
Engine/Tuning
returnless fuel system problem
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<blockquote data-quote="Digital" data-source="post: 13625000" data-attributes="member: 66214"><p>Some pumps will have a built in check valve. Otherwise you'll have to add a in-line check valve as close to the tank as possible like TURBO VNM stated. I had the same issue but my tuner just made it so the pumps stayed on during "key on" forever instead of the default "prime time." I just had to wait a couple seconds after key on before cranking. At first it was awkward but after a few days it became natural and I do it now with all my vehicles out of habit.</p><p></p><p>Key on - wait for gauges to sweep - ignite. Not that big of a deal.</p></blockquote><p></p>
[QUOTE="Digital, post: 13625000, member: 66214"] Some pumps will have a built in check valve. Otherwise you'll have to add a in-line check valve as close to the tank as possible like TURBO VNM stated. I had the same issue but my tuner just made it so the pumps stayed on during "key on" forever instead of the default "prime time." I just had to wait a couple seconds after key on before cranking. At first it was awkward but after a few days it became natural and I do it now with all my vehicles out of habit. Key on - wait for gauges to sweep - ignite. Not that big of a deal. [/QUOTE]
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returnless fuel system problem
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