P1133 MERCURY Possible Causes
What does this mean?
- Faulty HO2S11
- Faulty Mass Air Flow (MAF) sensor
- Fuel system malfunction
- HO2S11 harness open or shorted
- Poor electrical connection in HO2S11 circuit
How to Fix Code P1133 MERCURY?
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)
P1133 MERCURY Meaning
Bank 1 Fuel Control Shifted Lean is the generic description for code P1133 Mercury, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the P1133 Mercury OBDII code.