i30 Owners Club

High intake temperatures

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Offline Exelixis

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    • Posts: 4

    • gr Greece
      Greece
Best greetings to all of you!
I would love to read your posts for the high intake air temperatures that i have even when it's morning. I attach a relative image.
As you see 72 celcius degrees is the lower measurement and the highest i've ever seen is 89 celcius degrees.

I was looking for the intake air sensor of my i30 and i see that MAP has 4 pins which means that the 4th one is for that reason. I have no MAF sensor or an intake air temperature one. So is this an issue? Should i worry for that?

PS: i have already replaced the MAP sensor with exact the same results.


2008 1,4 109 G4FA
  • 2008 FD 5 Door Hatch, Petrol, 1.4lt, Manual, Silver


Offline BrendanP

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    • Posts: 523

    • gb United Kingdom
      East Midlands
If this is a petrol car, I assume there's no turbo, so the outside air goes through the filter, through the airflow sensor, through a throttle assembly and into the inlet manifold. There's nothing to heat the air on it's way through, at least, not that I can think of. What about the external air temperature, is that reading OK?  What are you using to generate those gauges, because it doesn't look like a standard Hyundai display. Could it be something as obvious that the sensor output is being converted to farenheit, and displayed as farenheit, even though the meter scale is celcius? As you're in Greece, and it's hot, those temperatures could make sense in farenheit.
« Last Edit: July 29, 2024, 15:34:43 by BrendanP »
  • i30 CRD


Offline Exelixis

  • 1st Gear
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    • Posts: 4

    • gr Greece
      Greece
Thank you for the reply BrendanP!
The picture took 7:52 at the morning and the external air temperature was not correct. It was about 19o Celcius.
Correct! it's petrol and the MAP sensor is under the throttle body in inlet manifold. This is the part code 39300-2B000 of this MAP.

Can you please advice me where could i focus? It's a really weird fact.
  • 2008 FD 5 Door Hatch, Petrol, 1.4lt, Manual, Silver


Online I30 GD

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    • Posts: 39

    • gb United Kingdom
First thing to do before changing any parts is put a dedicated code reader on the car, those gauges in the picture look odd to me, map psi goes up to 250,coolant sensor goes up to 1.0, it doesn't look right so maybe the temperature sensor reading is incorrect.
  • I30 gd


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