Re: [DMCForum] Freq valve problems

["id" <ionicdesign@xxxxxxxxxx>]

It doesnt click, i jumped the RPM relay and still nothing.

i applied battery power directly to the freq valve and it works.(clicks)

i tested my relay and it has a short in the winding. It does nothing.

MY RELAY IS DEAD!

Mark

checksix3 wrote:

>  How are you powering it?
>
> Simply because it clicks doesn't mean it's functioning. Take it off
> and make sure it opens when you power it. Blow through it or shoot
> some compressed air or carb cleaner through it. After all, it's just
> a solenoid valve. While you have it off be sure the lines to it are
> clear also. And look for rust in the fittings.
>
> Why replace a relay when you can easily test it? Power it and measure
> the contacts. Or put it in and out of it's socket and see if your
> freq valve clicks when you do that. In fact, it should buzz at a
> fixed cycle. (The lambda relay should click also, assuming you have
> the rpm relay jumpered.)
>
> If not you need to see if there is an output at the freq valve
> connector. Be sure to check both pins agaist each other, the ECU
> supplies a ground so there will always be + 12 vdc at the valve's
> connector if you reference it to the engine block.
>
> If not, your wiring or power to the ECU would be the next thing to
> check. If all that checks out your ECU is hosed. (I doubt it though.)
>
>
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