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Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 10-20-2003, 06:52 PM   #21
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Hello again, I'm still having a boost stuttering problem. The only mods I have is the no cat. Other than that I have no mods whatsover. I did replace the supercharger with a nother used one. Anyway, When it kicks to about 5 it will stutter/sputtter.
I'm not getting any SES codes. I replaced the spark plugs, I cleaned the throttle body and even replaced the AC compressor, and I already replaced the TPSensor. I still can't figure out the problem to the boost. It accelerates fine, but whenever the boost meter goes, up, it chokes...

Do you think it might be the Boost control solenoid? If I did that bypass solenoid trick would that let me know if thats the prob or not?
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Old 10-21-2003, 07:33 PM   #22
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Fuel pressure regulator, or vacum advace?
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Old 12-22-2003, 01:54 PM   #23
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I finally figured out the problem and I think it was the dirty fuel injectors, go figure. The car now boosts well.
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Old 12-22-2003, 03:13 PM   #24
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I would have guessed plug wires, specifically one of the back three. Justin was close with the FPR!

Glad you got it going. If it was the injectors, a scantool would have helped identify that earlier. Your O2 would have been running lean.
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