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Re: 88 ford crown vic
Posted to Technical Discussion Forum on 8/5/2008 1 Reply

Hi Jay,

Sorry if I missed it, but I don't see and KOEO or KOER test results... please advise if it's got any continuous or on demand codes.

Jay, check the voltage on pin 49 at the pcm . This is a dedicated ground point for the pcm for the o2 sensor circuit... Login to read more.

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