Another Where's This Plug Into Thread

[Qtrhrse23]

Ok, I'm changing the CV on a 2006 Grand Prix GT 3.8 SC. There is a single blue wire that runs with the oil pressure sending unit below the P/S pump. I unplugged the Oil sending, then later noticed the other " blue single wire" unplugged. I would like to get it plugged in before I get everything back together. Any ideas? Thanks.

[QUICKSILVER462]

Sounds like it could be a knock sensor wire. There are two knock sensors, one on each side of the block between the core/freeze plugs. Each knock sensor has one wire going to it.
On my car (2000 GTP) one sensor has the wire straight from the engine harness, the other sensor has a sub harness that is like an extension to reach the engine harness.
I would be a good idea to check your knock sensors and make sure they are connected, it is unknown to me if a disconnected knock sensor would through a code or not.

[Scottydoggs]

sounds like the knock sensor harness wire. you need to get under the car look up between the trans and engine pans and you'll see the knock sensor. you'll need some long needle nose pliers to get that plug back on it.

[Qtrhrse23]

Thanks guys. I'll check em.

[Qtrhrse23]

Thanks again. It was the knock sensor.