Secondary Air Injection Monitor Circuit Low Voltage
Findings, check these first
- Open SAI monitor circuit
- Failed monitor sensor
- Corroded monitor connector
- Blown SAI fuse
- PCM monitor input fault
Standard procedure
- Check SAI fuses first
- Test monitor circuit continuity
- Verify pump actually runs
- Inspect the monitor connector
- Replace the sensor after circuit confirmation
Code lookup
Type a code above, or start from a symptom or a common code.
Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.
Sources and review
Review: checked against the recorded source material.
- OBDII.pro: P1413 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1413: SAI System Monitor Circuit Low Input
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
- P1413 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1413: Secondary Air Injection System Monitor Circuit Low Voltage
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.
Last updated 2026-09-06.
Report a correction for P1413. Include your vehicle, the issue and a source if you have one.