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Re: 1994 GMC K1500 5.7 runs rich - no codes
Posted to Technical Discussion Forum on 11/10/2002 1 Reply

Thank you Jim for some re-direction here...

The Integrator & Block Learn, are all meaningless. The vehicle is NOT in closed loop. Why are you not seeing proper O2 bias voltage? The O2 is not effecting your mixture. The vehicle is still in open loop. Ask your... Login to read more.

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