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Update, Replaced the Fuel rail pressure sensor and checked the fuel injector harness grounds. Both are clean and tight to engine block. FI harness is connected securely. Put it all back together and clear the codes. Before the car is even cranked it is already throwing a P0193 code (fuel rail pressure sensor circuit high). It cranks and runs fairly smoothly. No misfire codes now, just the p0193 code. When I step on the gas it will rev some, but only to 2000 rpms even if the gas is floored. P0193 code comes back as soon as I clear it.
Any thoughts?
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