2025 3.0L I6 K&N Performance Air Intake System

[Scap]

I had a water/methanol injection system on my old ecoboost. Did a great job keeping IAT down because the charge air cooler couldn't keep up.

 

[CalvinC]

Did a Google search on the normal temperature range of IAT for these Hurricanes-
For a 2025 Ram 1500 with the Hurricane engine, the normal intake air temperature (IAT) range can vary based on several factors, but some information suggests that values
up to 200°F can be expected when operating under normal conditions on stock maps. These measurements are often taken before the intercooler. One source mentions temperatures reaching around 275°F under boost, indicating that higher IATs can occur under specific driving conditions.
Important Considerations:

• Intercooler: The Hurricane engine is turbocharged, which compresses the intake air. This compression increases the temperature of the air before it enters the engine. The intercooler's job is to cool this compressed air down before it enters the combustion chamber, improving performance and reducing the risk of detonation.
• Location of IAT Sensor: The IAT sensor's location can affect the measured temperature. If the sensor is located before the intercooler, the temperatures will naturally be higher. If it's located after the intercooler, the temperatures will be significantly lower.
• Operating Conditions: Factors like outside air temperature, engine load, and driving style can all influence the IAT.

In summary, while temperatures up to 200°F are considered normal before the intercooler on a 2025 Ram 1500 Hurricane engine under typical operating conditions, higher values can be seen under heavy load or boosting

There are probably 2-4 sensors tracking IATs along the intake track. There were 3 on the 3.5 EcoBoost. I could read all 3, but had to do some experimenting unplugging them methodically to find out which was which.

IAT2 turned out to be post-intercooler & the one to monitor. I do not know if that is universal.

In the Ford’s case, timing happens and de-rating starts to occur when IAT2 hits ~125, and you’re really hurting by 170.

Pre-intercooler temps may have caused false alarm in the discussion here, e.g. if the numbers discussed above are pre-intercooler then the issue may not be as bad as thought.

Would be really good if someone could identify and confirm which PID is a post-intercooler reading.

Still, if it was the same sensor with both intakes it still tells us something. That the open “cold” air intakes are hotter than stock. We just don’t know if that in itself is a problem. Though I’m generally in favor of air being cool as possible.

 

[kliffy77]

Engines with air induction respond much better to cold air intakes than naturally aspirated ones.

 

[Aroy77]

Just a follow up figured it out. Disconnect battery for 20 minutes and repositioned MAF tube to a 2 o'clock position. Problem solved

I just installed my K&N CAI, after about 100km I had a check engine light. Disconnected the battery for 20-30 minutes, turned the MAF sensor to 2 o’clock as you stated. So far so good. Cleared the engine light. Thanks

**update** after about 50km the light came back on. I discover connected the battery. My SCT tuner for some reason won’t read the check engine light. Will keep updated to see if this time it stays off. Obviously this is a common issue which is unfortunate after paying $600 for an CAI.

 

[Aroy77]

I’m having an issue here with the intake causing a check engine light after about 300 miles, P0402 code, and an assuming it is related to the MAF. Could you detail a little more what you did to reposition the MAF? And maybe where you got that info from to try that?

I just had this same issue. Disconnect the 2 battery’s for 30 minutes and moved the MAF sensor to more of a 45 degree, or 2 o’clock position. Cleared up my issue.

 

[fescen9]

I just had this same issue. Disconnect the 2 battery’s for 30 minutes and moved the MAF sensor to more of a 45 degree, or 2 o’clock position. Cleared up my issue.

Can you show me some pics of the MAF sensor and how you rotated it? I'd love to put my K&N. Still a little uneasy about the temps though, even though a prior commenter said they may be okay. I'll have to monitor my stock temps some more.

Edit: Quick trip to the store, IAT stays around 125F.

 

[Orion10182011]

HP claims on performance parts are always cooked numbers. Gains? Sure. 41HP gain, no f---ing way.

 

[LOWRMPG]

HP claims on performance parts are always cooked numbers. Gains? Sure. 41HP gain, no f---ing way.

true for most things but tuners.

 

[H2OMAN]

true for most things but tuners.

I was a betting man I'd bet the stock intake could handle whatever the tuner brings too.

 

[LOWRMPG]

I was a betting man I'd bet the stock intake could handle whatever the tuner brings too.

Not the point, you said that performance gains were "cooked numbers", I'm saying, not for tuners. Tuned package are nearly all dyno proven. In my case, my vehicles have been tuned while on a dyno, so the gains, were very real.

 

[H2OMAN]

Not the point, you said that performance gains were "cooked numbers", I'm saying, not for tuners. Tuned package are nearly all dyno proven. In my case, my vehicles have been tuned while on a dyno, so the gains, were very real.

I said no such thing. I said the stock intake would give you the same numbers on the dyno as the aftermarket.

 

[LOWRMPG]

I said no such thing. I said the stock intake would give you the same numbers on the dyno as the aftermarket.

My bad, you're right, that was another poster.