Hi,

I've been having some issues with low idle on my 02 legacy gt. I noticed that a plug located under the air box was wrapped with electrical tape. I think it goes to this switch. Is there a chance that this might be causing my problems?

 

Thanks,

Stormy

The connector is Grey with 2 wires coming from it. One is brown with a yellow stripe and the other is green with a black stripe.

The neutral switch usually allows the car to be started in only Park or Neutral.

My 02 is a 5 speed... Do I even have one?

That's probably the kill switch from the clutch to the starter. In all modern sticks, there is a safety feature that disables the starter UNLESS the clutch is depressed, so your car won't run away from you if you happen to leave it in gear.

When is a car "modern"?

When ya can't figure out what the problem is...

Excellent answer, Tiny!

So I did some more "testing" on my idle problem.

 

If I'm driving at about 45mph, put the clutch in and leave it in gear and come to a stop, the RPM's go down to 650~ and stay there. If I put the shifter in neutral when stopped, the RPM's will drop down to 350~.

 

Would faulty neutral position switch have anything at all to do with this???

"PN/PS (Park Neutral Position Switch)- This switch senses if the transmission is in park or neutral. The PCM adjusts the engines idle based on this input. The engine WILL run without this input."

 

I found this here http://www.off-road.com/jeep/tech/4lswap/

 

Anyone know if this applies to any vehicle with a PN/PS?