Engine-Codes - Isuzu - P1242 ISUZU

P1242 ISUZU - High Fuel Pressure Regulator Circuit High Voltage

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

P1242 ISUZU Possible Causes

  • Faulty High Fuel Pressure Regulator
  • High Fuel Pressure Regulator harness is open or shorted
  • High Fuel Pressure Regulator circuit poor electrical connection

How do I fix code P1242 ISUZU?

Check 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.

Cost of diagnosing the P1242 ISUZU code

Labor: 1.0

The cost of diagnosing the P1242 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.

Possible Symptoms

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

P1242 ISUZU Meaning

High Fuel Pressure Regulator Circuit High Voltage is the generic description for the P1242 Isuzu code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1242 Isuzu OBDII code.

Still have questions? Please post your question on our Comments Section of the main page for more information.


P1242 ISUZU More Information

Need more information on how to fix the P1242 ISUZU code?
Get Access to Factory Service Manuals

Need more help?

Get the P1242 Isuzu code diagnosed by a professional: Find a repair shop in your area