P1238 ISUZU Possible Causes
- Faulty high-pressure fuel regulator
- High-pressure fuel regulator harness is open or shorted
- Poor electrical connection in the high-pressure fuel regulator circuit
How is P1238 ISUZU Code Repaired?
Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1238 ISUZU Meaning
High-pressure fuel regulator circuit shorted to battery is the generic description for P1238 Isuzu code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the P1238 Isuzu OBDII code.