Fueling & Injection Fuel Pumps | Injectors | Rails | Regulators | Tanks

what is this?

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Old Mar 11, 2010 | 07:18 AM
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Default what is this?

ok so car i just bought has the part circled in white taken off/deleted/missing?

what is it? the car idles at like 2k then after sittin for a sec or so it will slowly idle down to normal idle??



car has.. trex cam, headers, ory, slp loudmouth, lid, air/egr deleted, air pump deleted, FAST intake (78mm)



any ideas why its idling so high and what is this part?

(not my motor just used it as example)
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Old Mar 11, 2010 | 11:18 AM
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That is the EVAP solenoid to vent the fuel tank. Line runs from the charcoal can back by the tank to the intake manifold. Idle issue sounds like a vacuum leak, sticky TB or a bad tune.
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Old Mar 11, 2010 | 12:04 PM
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stock tune... never been tuned... but has cam shouldnt idle high should it?
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Old Mar 14, 2010 | 08:15 PM
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check tb gasket its good... and ideas now? there are 2 ports on the intake that are capped off... one went to the purge valve thts missing and one went to i dunno.. should i try buying a purge valve?
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