P1191 — Mercury
P1191 — Mercury: Key Line Voltage
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
1 — Subsystem
Fuel and air metering
Manufacturer-specific meanings (Mercury)
- Circuito TP (controllato) (Mazda) o interruzione riscaldatore sonda lambda - anomalia hardware (Jaguar) o
- Intake Air Duct Air Leak
- Key Line Voltage
- Pre-Catalyst Fuel Trim System Bank 2
- O2 Sensor Heater Circuit Open, HArdware Fault
- TP Controlled Circuit
Related codes
- P1100 — Manufacturer-specific fault code
- P1100-fiat — Intermittenza circuito sensore misuratore massa aria
- P1100-ford — Mass Air Flow Sensor Intermittent
- P1100-lexus — BARO Sensor Circuit Malfunction
- P1100-lincoln — Mass Air Flow Sensor Intermittent
- P1100-mazda — Mass Air Flow Sensor Circuit Intermittent