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SN95 Cobras
Troublesome Trouble Codes... P0171
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<blockquote data-quote="aaron97" data-source="post: 6185921" data-attributes="member: 66010"><p>Okay here goes, all at idle.</p><p></p><p>Connected Vac on FPR: 30-45 PSI fuel press required, mine was 24 PSI</p><p>Disconnected Vac on FPR: 40-50 PSI fuel press required, mine was 32 PSI</p><p></p><p>Blocked off return to the tank: supposed to be super high compared to the other numbers, it was but it wouldn’t hold once the key was turned off so it is either bleeding back through the pump into the tank or leaking out the injectors, and since we don’t have a rich code or problems starting cause of flooding, we’ll go with the pump. So i ordered a BBK 255lph and it should be here in a couple days.</p></blockquote><p></p>
[QUOTE="aaron97, post: 6185921, member: 66010"] Okay here goes, all at idle. Connected Vac on FPR: 30-45 PSI fuel press required, mine was 24 PSI Disconnected Vac on FPR: 40-50 PSI fuel press required, mine was 32 PSI Blocked off return to the tank: supposed to be super high compared to the other numbers, it was but it wouldn’t hold once the key was turned off so it is either bleeding back through the pump into the tank or leaking out the injectors, and since we don’t have a rich code or problems starting cause of flooding, we’ll go with the pump. So i ordered a BBK 255lph and it should be here in a couple days. [/QUOTE]
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Troublesome Trouble Codes... P0171
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