OBD-II code · manufacturer-specific
P1407
EGR Metering Orifice Restricted
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1407 mean?
P1407 is defined as “EGR Metering Orifice Restricted”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Buick, Cadillac, Chevrolet, Chrysler, GM, GMC, Oldsmobile, Plymouth, Pontiac, Saturn: EGR Air Intrusion In Exhaust Supply To EGR Valve
- Ford, Lincoln, Mercury: EGR No Flow Detected
- Volkswagen: EGR Temperature Sensor Signal Too Low
- Mazda: No EGR Flow Detected
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This page is general information; an exact diagnosis needs measurements and a technician’s check.