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Anyone ever check their A/F ratio BEFORE and AFTER a Twin Power install?

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Old 01-21-02, 06:57 PM
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It's never fast enough...

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Anyone ever check their A/F ratio BEFORE and AFTER a Twin Power install?

Anyone?
Anyone?
Old 05-28-02, 12:44 PM
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yes. at idle it's richer to the point that my car is mis-firing. at full throttle, it's the same as before. don't know why it's doing this though.
Old 05-28-02, 01:35 PM
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Funny, my idle is smoother. Anyway, how can you monitor your o2 at idle since the ecu is in closed loop and it will fluctuate continuously? Full throttle I didn't notice any difference in 02 sensor voltage from the stock sensor. I don't have the WB yet.
Old 05-28-02, 02:15 PM
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With the stock ECU, idle is open loop, not closed.
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