Re: Re: Code P1494

From: Rob S (robert_schultz@yahoo.com)
Date: Wed Nov 26 2003 - 18:52:32 EST


Keep considering one but since it's still under warranty, it hasn't been
a pressing need.

Off to the dealer tomorrow.

Thanks Jon!

Jon Smith wrote:

> The TSB info you posted is nothing more than a bulletin to "advise"
> technicians to look somewhere other than the LDP (leak detection pump) as
> the faulty part which caused the code to be set. However it does not rule
> out a faulty pump.
>
> Check to make sure there is power going to the LDP, without a scan tool to
> acutate the pump, check for voltage while it's commanded on during the
> self-test (run the test when the motor is bone cold). Also check for
> leaking or plugged vac. lines going to the LDP. Usually a collapsed vac.
> elbow or oil-clogged line will prevent enough volume of vac. to allow the
> pump to actuate properly. T into the LDP vac. hose at the pump with your
> vac. gauge, it should have engine vacuum at all times, watch the gauge as
> the pump cycles. If it drops below 13" when the pump actuates, the lines
> are a culprit.
>
> Hope you've got a FSM =)
>
> -Jon Smith
>
> Does anyone have any more info on this?
>
> Thanks,
> Rob S.
>
>
>



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