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The Terminator
Engine/Tuning
fuel pressure problem real vs. frps
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<blockquote data-quote="v8tiger" data-source="post: 11161014" data-attributes="member: 111988"><p>I have an 04 cobra with the usual mods. Pulley port exhaust intake. BAP after fpdm</p><p></p><p>And a local tuner has tuned it. A couple weeks after it was tuned I started getting a p0190 code. Well after looking at the logs fuel pressure was dropping to 14-19 psi during a 2nd or 3rd gear pull. After getting it on the dyno after seeing this. Car made 50 less wheel hp and was at 10.0 afr. It was tuned at 11.3. So we hooked a actual fuel gauge to the schrader valve and during the pull it stayed at 40psi while in the datalog showed 14-19</p><p>.</p><p></p><p>Ok ok so I figures bad frps. Got a new one from ford and the kb disc. Put it in, 5 miles down the road I do a pull and its the same.</p><p></p><p>Car has 10k miles on it. So I doubt there is a issue with the wiring.</p><p></p><p>Anyone have this problem or know anything to do?</p></blockquote><p></p>
[QUOTE="v8tiger, post: 11161014, member: 111988"] I have an 04 cobra with the usual mods. Pulley port exhaust intake. BAP after fpdm And a local tuner has tuned it. A couple weeks after it was tuned I started getting a p0190 code. Well after looking at the logs fuel pressure was dropping to 14-19 psi during a 2nd or 3rd gear pull. After getting it on the dyno after seeing this. Car made 50 less wheel hp and was at 10.0 afr. It was tuned at 11.3. So we hooked a actual fuel gauge to the schrader valve and during the pull it stayed at 40psi while in the datalog showed 14-19 . Ok ok so I figures bad frps. Got a new one from ford and the kb disc. Put it in, 5 miles down the road I do a pull and its the same. Car has 10k miles on it. So I doubt there is a issue with the wiring. Anyone have this problem or know anything to do? [/QUOTE]
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fuel pressure problem real vs. frps
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