P00EC code meaning
Intake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 1
Powertrain system Generic code P00xx codes Check engine light
What P00EC means
Intake air temperature sensor 3 is a third air temperature sensor in the intake path. On documented turbocharged engines with a humidity sensor it is the manifold temperature sensor behind the charge air cooler, an NTC thermistor read directly by the engine control module and used for cylinder filling and ignition timing. The numbering of intake air temperature sensors differs between manufacturers. P00EC: The signal jumps faster than a real temperature can change, which typically points to a loose contact.
P00EC at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modeNot expected
- Repair difficultyEasy, DIY possible
- Typical labor0.3 to 2 hours
- Clears after repairAfter a drive cycle
Symptoms of P00EC
- Check engine light on
- Usually no noticeable symptoms; substitute value used
- Slightly reduced power through knock protection possible
Common causes of P00EC
- Most likelyLoose contact or wire broken by engine movement
- PossibleMoisture in the connector
- Less likelyInterference or control module fault
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Intake air temperature sensor 3Intake air temperature sensor wiring
What each part of P00EC means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 0 | Area: fuel and air metering and auxiliary emission controls. |
| EC | The exact fault in that area. |
What to do next
- Note P00EC and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P00EC
What does P00EC mean?
P00EC means "Intake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 1". Intake air temperature sensor 3 is a third air temperature sensor in the intake path. It is a generic code, so it means the same on every make.
Is it safe to drive with P00EC?
Usually yes, for a short time, if the check engine light is steady and the car drives normally. If the light flashes or the car runs badly, stop and have it checked.
Will P00EC fail an emissions test?
Yes, it can. P00EC is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P00EC to fix?
Difficulty: easy. A typical repair takes 0.3 to 2 hours of work. A careful DIY repair is possible with basic tools and a scanner.
Will P00EC clear itself after the repair?
After the repair the car has to complete a drive cycle (a mix of city and highway driving) before the test runs again. Until then the readiness monitor shows "not ready", which can fail an inspection.