[V8] Fwd: mystery wire

[Dave Head]

Sounds like a knock sensor. Red or green connector at the fuel rail. One 
on the other side is the opposite color, and it goes under the intake. 
Disconnect it, it will lock in a code and retard your timing. You'll 
lose about 15% of your oomph...

quickaudi at aol.com wrote:

>
>While underneath the car, I found a wire that is obviously a sensor of some sort that is nearly broken in half.  The wires are still connected, though I don't know for how long.  I need some help identifying it, however.  It is located just above the second exhaust port on the driver's side, and it snakes along the front of the engine and connects to another wire on the driver's side fuel rail.  Can anyone tell me what it is and where to find another one?
> 
> 
>Joel
>'90 V8q
>'86 5kcstq
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