P1191 — Ford: Key Line Voltage

Code breakdown

Manufacturer-specific meanings (Ford)

• Fiat
  Circuito TP (controllato) (Mazda) o interruzione riscaldatore sonda lambda - anomalia hardware (Jaguar) o
• BuickCadillacChevroletChryslerGMGMCOldsmobileSaturn
  Intake Air Duct Air Leak
• FordLincolnMercury
  Key Line Voltage
• BMW
  Pre-Catalyst Fuel Trim System Bank 2
• Jaguar
  O2 Sensor Heater Circuit Open, HArdware Fault
• Mazda
  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

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