P00E5 code meaning
Intake Air Temperature/Fuel Temperature Correlation
Powertrain system Generic code P00xx codes Check engine light
What P00E5 means
After a long standstill, intake air and fuel should be at about ambient temperature. This code is set when the intake air and fuel temperature sensors differ too much at the next start; it does not say which sensor is wrong. A detected engine block heater usually suspends the test. One manufacturer performs the same comparison under another code; who uses this exact code could not be documented.
P00E5 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modeNot expected
- Repair difficultyMedium, DIY possible
- Typical labor0.5 to 1.5 hours
- Clears after repairAfter a drive cycle
Symptoms of P00E5
- Check engine light on
- Usually no noticeable symptoms
- Cold-start behaviour slightly affected possible
Common causes of P00E5
- Most likelyFuel or intake air temperature sensor drifting
- PossibleBlock heater, sunshine, very warm or cold fuel from refuelling, or a short standstill
- PossibleContact resistance at a connector
- Less likelyEngine control module or software
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Intake air temperature sensorFuel temperature sensorSensor wiring
What each part of P00E5 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. |
| E5 | The exact fault in that area. |
What to do next
- Note P00E5 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 P00E5
What does P00E5 mean?
P00E5 means "Intake Air Temperature/Fuel Temperature Correlation". After a long standstill, intake air and fuel should be at about ambient temperature. It is a generic code, so it means the same on every make.
Is it safe to drive with P00E5?
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 P00E5 fail an emissions test?
Yes, it can. P00E5 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 P00E5 to fix?
Difficulty: medium. A typical repair takes 0.5 to 1.5 hours of work. A careful DIY repair is possible with basic tools and a scanner.
Will P00E5 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.