P1151 MAZDA Possible Causes
- Leaking injector, regulator or excessive fuel pressure
- Engine vacuum leak or EGR valve open at idle
- Engine mechanical condition
- Faulty HO2S sensor or mass air flow (MAF) sensor
How to fix P1151 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)
P1151 MAZDA Meaning
HO2S-21 lean condition correcting for a richer condition is the generic description of Mazda P1151 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about Mazda P1151 OBDII code.