Start Injector Circuit Malfunction (Diesel)
Findings, check these first
- Failed cold-start injector
- Open or shorted start injector circuit
- Faulty cold-start timer or thermo switch
- Corroded connector
- Blown cold-start fuse
Standard procedure
- Test cold-start injector resistance
- Check the thermo switch operation
- Inspect the fuse and circuit
- Verify injector spray during cold crank
- Replace the injector or switch per tests
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: P1213 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1213: Start Injector Circuit Malfunction
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
- P1213 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1213: Start Injector Circuit Malfunction
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.
Last updated 2026-09-05.
Report a correction for P1213. Include your vehicle, the issue and a source if you have one.
This fault is part of the Ford fuel and ignition codes guide. It covers the family and the order to check it.
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