Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the P1180 Hyundai code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
The Fuel Pressure Regulator (FPR) sets the correct pressure in the rail as a function of engine, loading, and maintains it at this level. If the rail pressure is excessive, the pressure control valve opens and a portion of the fuel returns from the rail to the fuel tank via a collector line. If the rail pressure is too low, the pressure control valve closes and seals off the high-pressure stage from the low-pressure stage. In case of the fuel pressure regulator failure, the engine symptoms will occur the shutdown and the starting impossible. The Diagnostic Trouble Code (DTC) will set if the fuel rail pressure is short circuit to battery line or open circuit during two driving cycles or if the engine speed is not below 500 rpm within 1.5 sec. after the ignition switch OFF, during driving cycles.
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