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Re: LS3 crate motor runs rich at idle
Posted to Technical Discussion Forum on 10/31/2018 1 Reply

Random thoughts.

Is this a new install or was it running normally and now is not?

Is this a GM E-Rod system or just a generic LS3 crate engine with a stand-alone PCM and harness, either OE or aftermarket?

Is the intake manifold set up with a fuel return ... Login to read more.

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