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intake install issue

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Old Aug 15, 2010 | 09:38 AM
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Default intake install issue

I've just replaced my intake with a ported stock intake and ported throttle body. Now I'm getting a little surge and some erratic idle. Yes, I'm pulling both codes for 171 & 174. During inspection I notice one connector that is unplugged. However, I don't see where it should be attached. It's one of the two lines that run across (left to right) over the very front of the intake. The one on the drivers side is connected. The one on the passengers side is not. Please help ID this line.
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Old Aug 15, 2010 | 11:52 AM
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Can you take a picture of the connector (electrical or plastic tube)? 171 and 174 as you know are lean codes wich means you have a leak after the MAF. Make sure all the claps are tight and the MAF gasket was installed. If this dosn't work your going to have to get your car tuned to adjust for the extra airflow.
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Old Aug 15, 2010 | 03:12 PM
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I'm sure a pic would be helpful. It's the connector with the green cap attached. It runs perpendicular to the fuel rails and across the front of the intake.
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Old Aug 15, 2010 | 03:16 PM
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Old Aug 15, 2010 | 03:24 PM
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This is part of the evap system. It snaps into the switch just behind the electrical connector show in my photo above.

However, it looks like the nipple on the switch is broken off and is still lodged in the connector. You may have to replace the switch assembly (the part with the red/blue electrical connector).

Last edited by Mez; Aug 15, 2010 at 03:26 PM.
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Old Aug 15, 2010 | 04:49 PM
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HELLO VACUUM LEAK! I belive the connection is right before the TB on the pass side on front of the manifold,, by the map sensor
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