P1155 JEEP Possible Causes
- Fuel system malfunction condition
- Faulty fuel pressure solenoid
- Air in the fuel system
How to Fix JEEP Code P1155?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check Engine Light on (or Service Engine Soon warning light)
P1155 JEEP Meaning
The Engine Control Module (ECM) has determined that the fuel rail pressure is too low for a specific condition