Knock sensor goo?

		Rotary Car Club > Tech Discussion > RX-7 2nd Gen Specific (1986-92)
Knock sensor goo?

RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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10-21-2013, 01:06 PM	#1
vrracing Rotating Assembly Join Date: Oct 2008 Location: TX iTrader: (0) Posts: 102 Rep Power: 17	Knock sensor goo? The car wouldnt start right away this morning and then sounded like it was missing. So I put the timing light on the leads and rear trailing wasn't firing. Looked at the plug and the ceramic was coated in brown sticky goo. It seems to have come from the knock sensor whose backing is squishy. Replaced the plugs and it runs perfect again. Dont know if the goo is conductive or not or if it was all a coincidence. I saw someone in the FD3S forum had their knock sensor oozing out and they said they were going to fill it with silicone. It's been two years and he never reported back. Any one know if that's a workable approach? The car never seems to detect knock so it appears to be working for now. Thanks __________________ 90 S5 Vert. JDM Tii with BNR Stage1 turbo. Pineapple Racing street port. Bonez cat-forward. Corksport cat-back with Vibrant UltraQuiet resonator. RTek 2 wZeitronix w/b. HKS EBC. Vis CF Tii hood. 3000GT wing. Ground Control coilover kit with KYB AGX shocks. Red and Black leather RX8 seats. Corksport Odura lip & bumper caps, OEM Tii skirts

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