Faboy Posted June 6, 2019 Share Posted June 6, 2019 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 Quote Link to comment Share on other sites More sharing options...
Guy Heaton Posted June 6, 2019 Share Posted June 6, 2019 Rip it off, it's pointless, spend the money on changing the OEM paper filter every 10k. 2 1 Quote Link to comment Share on other sites More sharing options...
Faboy Posted June 6, 2019 Author Share Posted June 6, 2019 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 😣 Quote Link to comment Share on other sites More sharing options...
F0CUE Posted June 7, 2019 Share Posted June 7, 2019 Did you reset the ECU after installing it? Quote Link to comment Share on other sites More sharing options...
Faboy Posted June 7, 2019 Author Share Posted June 7, 2019 How to reset the ECU btw Quote Link to comment Share on other sites More sharing options...
F0CUE Posted June 7, 2019 Share Posted June 7, 2019 Remove the negative battery lead for about 30-45 mins then the ECU will relearn and adjust for any changes. Quote Link to comment Share on other sites More sharing options...
Dave sport tdci Posted June 12, 2019 Share Posted June 12, 2019 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 1 Quote Link to comment Share on other sites More sharing options...
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