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#1
09-28-2005, 05:55 AM
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air/fuel issues...
ok so I'm running super rich, and the air/fuel is way speratic which makes the hp do the same... I took it to a dyno to try and fix it but my AFC wouldn't adjust it at all... I'm going to check all the connections tommorrow. but anyway, I just had it rebuilt and streetported about 4k miles ago or close to that, so I think maybe it didn't get hooked up right? but I'm not too sure about it cause I didn't put it on to begin with so any ideas from anyone? I could use anything right now cause even the guys at the dyno didn't know what was up
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1989 RX-7 TII --- Just got rebuilt and street ported RB 3" dual exhaust, BNR stage 1 modified factory turbo, FCD, S-AFC II, 720cc secondaries, Aftermarket Turbo inlet duct w/K&N, Hawk HP+ pads HKS Blow-Off Valve, Stainless brake and clutch lines 
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#2
09-28-2005, 12:16 PM
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Re: air/fuel issues...
Compleatly dissable the AFC (there junk to begine with, very easy to pop the motor). Run it on stock ECU and see if the problem persists. Also are you running an open dump BOV? If so check it for leaks.
Where the injectors new when you put them in the car?
__________________
 Dont drive faster than your angels can fly
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#3
09-29-2005, 06:05 PM
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Re: air/fuel issues...
the previous owner put them in but I think they were new. my mechanic checked the car out and couldn't find the problem so he thought it was the computer because thats the only thing he couldn't check, the guys at the dyno said the same thing.
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1989 RX-7 TII --- Just got rebuilt and street ported RB 3" dual exhaust, BNR stage 1 modified factory turbo, FCD, S-AFC II, 720cc secondaries, Aftermarket Turbo inlet duct w/K&N, Hawk HP+ pads HKS Blow-Off Valve, Stainless brake and clutch lines
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#4
09-29-2005, 11:42 PM
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Re: air/fuel issues...
Do you have a secodn ECU to try in the car?
But i woudl try to totaly disabel the AFC and see how it goes. If the problem persists then you knwo its not that. From there i woudl asses the fuel system in the car. If you have the time and money have the injectors cleaned and inspected. I have seen this before where an injectors will get stuck open. Its not to hard to change eithere. :P Also check your fuel pressure.
__________________
Dont drive faster than your angels can fly
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#5
09-30-2005, 12:14 AM
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Re: air/fuel issues...
alright thanks man, I'll try that this weekend
__________________
1989 RX-7 TII --- Just got rebuilt and street ported RB 3" dual exhaust, BNR stage 1 modified factory turbo, FCD, S-AFC II, 720cc secondaries, Aftermarket Turbo inlet duct w/K&N, Hawk HP+ pads HKS Blow-Off Valve, Stainless brake and clutch lines
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