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Re: Running Too Rich
Posted to Technical Discussion Forum on 3/12/2025 2 Replies

Beat me to it, Robert.

One of the first steps in troubleshooting CIS or CIS with Lambda [I think the subject car has CIS with Lambda as opposed to CIS-E] is checking the fuel pressure and control pressure.

CIS/Lambda has a frequency valve, which, if it sti... Login to read more.

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