Faboy

Cold air intake lead to loss power going uphill

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Hi. I have the Ford Focus MK2 Duratec 2.0. When i installed the K&N cold air intake kits, everything was fine until i was going uphill. I can feel that the car was losing power ( vs the stock intake ). What do i have to do to solve this issue. 

Thanks guys

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17 minutes ago, Guy Heaton said:

Rip it off, it's pointless, spend the money on changing the OEM paper filter every 10k.

Yah. I just reinstalled the OEM ones but missing the sound of K&N cold air intake given 😣

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Did you reset the ECU after installing it?

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How to reset the ECU btw

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Remove the negative battery lead for about 30-45 mins then the ECU will relearn and adjust for any changes.

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On 6/6/2019 at 9:48 PM, Faboy said:

Yah. I just reinstalled the OEM ones but missing the sound of K&N cold air intake given 😣

You need a good cold air feed as it will back off the power as it heats up I had a ramair and in the winter it's great in the summer I switched back to the stock air box

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