240Z, 260Z, 280Z Performance / Technical Discussions related to performance motor enhancements, upgrades.

Idle Issue....

Old 08-21-2007, 05:19 AM
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Idle Issue....

It seems like either my gas pedal or choke is sticking. When I start 'er up she is fine, but then after driving for a little bit and I come to a stop, the engine is idling higher than normal, when I give it a little gas (in neutral or with the clutch in) the idle level drops down to normal.

Anyone know what's going on here and if it is an easy fix I can do on my own?

This is for my '74 260.

Thanks!
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Old 08-21-2007, 06:24 AM
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vacuum leak?
gunked up carb perhaps?
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Old 08-21-2007, 09:17 AM
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See response on hybridz.org
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Old 09-27-2007, 08:36 PM
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Did you figure it out?

Most of the time I have this issue, it's more of a lean condition. You get the idle to stay low when cold, but when hot it wants to rise higher and higher. Sound like your problem?
Just curious to know more about it.
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Old 11-04-2007, 06:35 PM
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Hey yeah thts me i start out at a cold idle at around 500 rpm and it smells like gasoline and then after heating up i idle around 800 also, i'm leaking coolant around a hose...see picture....but what's goin on?!
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Old 11-04-2007, 06:51 PM
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^^^ Not sure if what you posted is relevant to this guy's problem... his motor is carbureted, so it doesn't have the same intake manifold setup as yours.
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Old 11-04-2007, 10:02 PM
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i was afriad of starting a new thread, lol so i figured it's not even in the same area but it has to do with idle...i didn't want to upset the thread gods
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