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Author Topic: Need help swapping Maf Bosch to hitachi  (Read 5067 times)
Merculeus
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« on: January 07, 2015, 02:12:27 PM »

Hello, i'm a bit new to the tuning game,i've tried to search information and i'm still not sure.I got a tune ecm and it's working with a bosch Maf sensor,i want to change to an hitachi.The housing stay the same.I would have to change the MLOFS but what else would i have to change? Do i have to change MLHFM even if the diamater doesnt change?what about KFKHFM?

Thanks
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ddillenger
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« Reply #1 on: January 07, 2015, 02:19:05 PM »

MLHFM and MLOFS must be changed for sure.

KFKHFM should be changed as well assuming it's a bosch--->hitachi S4 swap.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!

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Merculeus
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« Reply #2 on: January 07, 2015, 02:26:15 PM »

Alright thanks for the quick answer, I will work on that right now.
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vwaudiguy
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« Reply #3 on: February 23, 2015, 02:43:53 PM »

KFKHFM is only needed if swapping the sensor?
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