Question about a high idle

[wyliec]

I have a 2008 GS, SM5 and I purchased it new way back when. I know that I read early on about something causing a high idle. Normally my spyder idles at 1500 rpm. Tonight when I almost rear ended a car, it was idling between 2500 and 3000. Most of the time when I come to a stop, the idle will lower within a minute. Tonight it took forever. I don't know if this is unique to the early GS model or not. That's why I posted here, trying to find out what may be wrong. In case I wasn't clear, I've had this problem since within months of purchase.

 

[jtoro1]

I have a 2008 GS, SM5 and I purchased it new way back when. I know that I read early on about something causing a high idle. Normally my spyder idles at 1500 rpm. Tonight when I almost rear ended a car, it was idling between 2500 and 3000. Most of the time when I come to a stop, the idle will lower within a minute. Tonight it took forever. I don't know if this is unique to the early GS model or not. That's why I posted here, trying to find out what may be wrong. In case I wasn't clear, I've had this problem since within months of purchase.

I would suggest check your vacuum hoses if not I might be your throttle body or your throttle ajustment if I remember it should idle at 900

 

[JerryB]

Hi jtoro1,

Re: if I remember it should idle at 900

My '08 consistently idles from 1350 to 1450 RPM. I have read on here that is what they should do.

Jerry Baumchen

 

[ARtraveler]

Hi jtoro1,

Re: if I remember it should idle at 900

My '08 consistently idles from 1350 to 1450 RPM. I have read on here that is what they should do.

Jerry Baumchen

The 990's should idle at 1350 to 1450 RPM as you said.

The 1330's idle around 900 RPM.

 

[BLUEKNIGHT911]

HIGH IDLE

I would suggest check your vacuum hoses if not I might be your throttle body or your throttle ajustment if I remember it should idle at 900

:agree: ..... ABOUT THE VACUUM HOSES ( get silicone )...... But I doubt about the throttle adjustment ...... Mike :thumbup:

 

[wyliec]

:agree: ..... ABOUT THE VACUUM HOSES ( get silicone )...... But I doubt about the throttle adjustment ...... Mike :thumbup:

It doesn't idle high all the time. Could it still be a vacuum hose?

 

[IGETAROUND]

high idle

:agree: ..... ABOUT THE VACUUM HOSES ( get silicone )...... But I doubt about the throttle adjustment ...... Mike :thumbup:

Definitely the most likely culprit, especially if they have never been replaced. Course some brake cleaning spray on the throttle body mechanism wouldn't hurt; and how long has it been since you've lubricated your throttle, clutch and other cables?????

 

[wyliec]

Definitely the most likely culprit, especially if they have never been replaced. Course some brake cleaning spray on the throttle body mechanism wouldn't hurt; and how long has it been since you've lubricated your throttle, clutch and other cables?????

Why the vacuum hoses, if the spyder idles around 1450/1500 most of the time?

 

[IGETAROUND]

high idle

Why the vacuum hoses, if the spyder idles around 1450/1500 most of the time?

Because they develop cracks and get brittle and start leaking, replace with the same size of silicon based hose