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MazdaSpeed 3/6 - Fuel, Nitrous & Water Injection MazdaSpeed 3/6 - Fuel, Nitrous & Water Injection Have a CDFP fuel pump question? Do you want to add Nitrous or Water Injection to your Mazdaspeed 3/6 ? Please come on in!


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 Old 01-12-2009, 04:50 PM   #1
 
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Default Fuel Cut, or tuning issue

I just installed a cpe fuel pump last weekend, and this morning on my way to work, I gave it some gas, and I had fuel cut in 3rd gear! between 3K and 3500. My question is, is anyone else having this problem? Do I need to adjust my maf voltage ever time the weather changes?

P/S- it was 40 deg outside. Last time we messed around on the stand back it was like 55 deg out side.
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Last edited by 7mileshome; 01-12-2009 at 04:52 PM. Reason: typo
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 Old 01-12-2009, 04:57 PM   #2
 
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Do you have a dashhawk to log fuel?
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 Old 01-12-2009, 05:06 PM   #3
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when it gets cold its possible the fuel that you have added down low on your tune is inducing it.

eliminating that, or running 17psi should be a cure. but seriously.... yes, now you know why making power on this car is such a bitch. this ecu sucks.

once you get the dashhawk... run some logs so a/fs look good, and then you can adjust fuel there... maybe even pull some if and it doesnt look like it will hurt. another thing to try is adding back the fuel, and just pulling some timing during spool.

theres a bunch you can do without getting the cut flash if you dont think youre ready. but no matter what...yes.... 40deg and less, making power you have to be creative with the tables.
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 Old 01-12-2009, 05:37 PM   #4
 
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ok, cool. I just got the dashhawk today, so tomorrow I can make some logs.

Thanks !1
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Built motor, Etc.
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