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News: AEM SERIES 2 EMS PLUG-N-PLAY FOR MKIV SUPRAS!
 
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Author Topic: Mazdaspeed tune problem  (Read 146 times)
twistiert
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« on: February 01, 2010, 06:43:25 PM »
ok it all started when it got colder out but when I get on it from close to a dig around 3k rpms it acts like a fuel cut I thought I hda the maf clamped properly.  It throws my afr's to 10 and it won't gain any rpm
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Punisher6
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« Reply #1 on: February 02, 2010, 11:01:42 AM »
Quote from: twistiert on February 01, 2010, 06:43:25 PM
ok it all started when it got colder out but when I get on it from close to a dig around 3k rpms it acts like a fuel cut I thought I hda the maf clamped properly.  It throws my afr's to 10 and it won't gain any rpm

It may help to let us know what kind of mazdaspeed you have. If the afr is 10...that means its probbly lower than that.  So u are dumping crazy fuel for some reason.  Looks like u need to pulls some fuel
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305.29whp - 303.06wtq @ 6.5psi - Just Getting Warmed Up
PowerMod Tuning Management
twistiert
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« Reply #2 on: February 02, 2010, 02:44:15 PM »
o lol mazdaspeed protege its dumpin crazy fuel but its like its still hitting fuel cut ill try lowering the voltage more
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Mikeymx5
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« Reply #3 on: February 05, 2010, 09:04:11 AM »
Check for leaks between the turbo and the intake. Any air escaping will cause weird conditions if using a MAF to control fuel.
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Miata: 2003 (Sunburst Yellow), BEGI S2 T2554@11psi, AEM FIC, 550CC RC Injectors, FM Dual Turbo Exhaust. 1/4mile 13.3 @ 105mph.
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