Engine-Codes - Isuzu - P1093 ISUZU

P1093 ISUZU - Fuel Rail Pressure Too Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1093 ISUZU Possible Causes

  • Clogged Fuel Filter
  • Fuel system leakage
  • Faulty fuel injector
  • Faulty Fuel Rail Pressure (FRP) sensor
  • Faulty Fuel Pump

How is the P1093 ISUZU code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P1093 ISUZU code

Labor: 1.0

The cost to diagnose the P1093 ISUZU code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1093 ISUZU Meaning

The Engine Control Module (ECM) monitors the Fuel Rail Pressure. The Diagnostic Trouble Code (DTC) will set when the ECM detects that the differential fuel rail pressure is -10 MPa (-1,450 psi) for longer than 15 seconds when the engine speed is between 0 – 900 RPM or The ECM detects that the deferential fuel rail pressure is -15 MPa (-2,170 psi) for longer than 15 seconds when the engine speed is higher than 1200 RPM.

More Information

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