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| Forced Induction Discuss topics relating to turbochargers, superchargers, and nitrous oxide systems. |
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#1
08-30-2002, 10:57 PM
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Starting to run lean......
Just today I noticed my Civic starting to lean out under boost (7psi). This is weird because it has never happened before. I just did a tune-up and used the EXACT same plugs as before. I replaced the cap and rotor as well. Running 93 octane. What gives?? I hope someone has experienced this already.....
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'04 SRT4 [Black] - 13.46 @ 102.9 (2.09 60') - R.I.P. 1999 Civic EX Turbo .:ATP Up Pipe .:HKS SSQ w/Purple Insert .:K&N Typhoon CAI .:Greddy Full Auto TT .:Greddy Profec B Spec II EBC .:Greddy Catch Can .:AGP Billet Wastegate :: .:Stock Ass-whoopin Installed Dyno Proven - 234.6whp / 250.9tq 13.66 Video 
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#2
08-31-2002, 03:38 PM
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I just put my Vortech 8:1 FMU back on and the same problem. Starts off rich and then starts to lean out. What's the chance of my O2 sensor giving my AFR gauge a false reading?
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'04 SRT4 [Black] - 13.46 @ 102.9 (2.09 60') - R.I.P. 1999 Civic EX Turbo .:ATP Up Pipe .:HKS SSQ w/Purple Insert .:K&N Typhoon CAI .:Greddy Full Auto TT .:Greddy Profec B Spec II EBC .:Greddy Catch Can .:AGP Billet Wastegate :: .:Stock Ass-whoopin Installed Dyno Proven - 234.6whp / 250.9tq 13.66 Video
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#3
09-03-2002, 05:00 AM
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Are your plugs uniform in color...?
Is you A/F gauge changing a couple + times a second, or does seem to be sluggish as compared before...? This is the time, when you need a inside fuel pressure gauge.... hehehe "Noth'in like Induction..." 
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88' CRX Si - JRSC @ 6psi Z6 Mini-Me, JDM SiR Conversion NOS #5122, JR Liquid InterCooling System ZYDNE SECU, 450's B&M FP Set, B&M Command Flo AutoMeter - Phantom FP, A/F, N2O, Boost gauges & pods, ARP HSKit, AEM Pads, 87' HF Drums, DYI CAI
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