[Tomikaze]

Cleaning up around the engine compartment I saw this plug and grabbed it to make sure it was firmly connected. The plastic cover around it disintegrated at my finger tips. I did my best Macgyver repair with some electrical tape. Seems fine. No lights. What is this plug for? It's located on the top fo the block under the intake runners. -Tom

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[DayDreamer]

Knock sensor?

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[biotechee]

I think that is the Hall sensor, but I am not sure.

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[Lear35A]

That's a temperature sensor in the oil gallery. p/n 928 606 201 01

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[biotechee]

Was I even close??!!!!



<img src="/forum/images/smilies/968/blink.gif" class="smilie" alt="" /> <img src="/forum/images/smilies/968/huh.gif" class="smilie" alt="" />

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[Lear35A]

Pretty sure the Hall sensor goes in the back of the distributor housing...but extra points for trying <img src="/forum/images/smilies/968/biggrin.gif" class="smilie" alt="" />

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[tamathumper]

Maybe it's a "block sensor", and that's why it's in the block. It's the sensor that, when the engine falls out of the car, it makes the "Check Engine" light come on.

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[kwikt]

[quote name='Lear35A' timestamp='1310656861' post='112544']

That's a temperature sensor in the oil gallery. p/n 928 606 201 01

[/quote]



Oil temp sensor that actually controls the variocam I believe 964.624.110.00.

Between cylinder 2 and 3 under intake manifold.

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[Ryan]

Why would oil temp have anything to do with the Variocam?

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[Tomikaze]

I was thinking it. You asked it.

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[Lear35A]

I was thinking that too. I'm also not aware of any 964 part numbers on our 968s, but I suppose it could be a superseded number from the one I gave.

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[kwikt]

There was talk a while ago on the RL forums about this mystery plug and sensor. Auto Atlanta lists this unit on their very detailed 968 parts diagram (#47 head diagram) and it appears this is a dealer only item.

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