P1154 MAZDA Possible Causes
- Leaking injector, regulator, or excessive fuel pressure
- Engine vacuum leak or EGR valve open at idle
- Mechanical condition of the engine
- HO2S sensor or mass air flow (MAF) sensor
How to Fix P1154 MAZDA Code?
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
- Engine light on (or engine warning light soon to be on)
P1154 MAZDA Meaning
Fuel Trim Bank 2 Shifted Rich is the generic description for Mazda code P1154, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the Mazda P1154 OBDII code.