LT1-LT4 Modifications 1993-97 Gen II Small Block V8

P0174

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Old 10-07-2007, 11:19 PM
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My SES light went off today. Luckily I was right by an autozone so I stopped in and the scanner read P0174 lean bank 2. I can hear a really loud airy noise so I assume it is a vacuum leak. I did spray some carb cleaner around the drivers side of the intake manifold around the brake booster hose area and it did raise rpms a little. Although the brake booster line is definitely on and secure. What other lines are around that area that could cause this? Also I'm confused why only bank 2? and not both?
Old 10-07-2007, 11:23 PM
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probably because the leak is on one side of the intake manifold . bank 2, which would be the passenger side.
Old 10-07-2007, 11:34 PM
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but it seems the airy noise is coming from the drivers side. I did spray some carb cleaner around the drivers side and it raised a few rpm I guess I'll check the passenger side tomorrow
Old 10-07-2007, 11:35 PM
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I noticed, but you never know. you just gotta check every hose twice.
Old 10-08-2007, 12:33 PM
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well i found the tube that is broken it is right in front of where the brake booster line connects to the intake manifold. Its a small rubber hose 90 degree angle about 4 inches in length and it busted right along the bend. So how would I go getting a new one of these?
Old 10-08-2007, 12:50 PM
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just get some rubber vacuum hose, that will work
Old 10-08-2007, 03:31 PM
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autozone had no hose like that and i had to go to a dealership and its gonna cost me over $10 for a lil stupid rubber hose
Old 10-08-2007, 03:43 PM
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try NAPA or advanced auto
Old 10-08-2007, 04:05 PM
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theres no advanced around here and they already ordered the part and it's being shipped so kinda to late for that. I'd feel bad having them go through the hassle of getting it shipped then screwing them over
Old 10-08-2007, 04:08 PM
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well they did take you for $10...
Old 10-08-2007, 04:16 PM
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actually i havnt paid yet



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