06-26-2015, 06:04 AM
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#1
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2 fast 4 U
Join Date: Aug 2010
Location: Canada Montreal
Posts: 176
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Cel P0410 P1411 secondary air
I got these 2 codes after I change my AOS and cleaned out the air intake. I know these codes mean I probably have a vacuum leak. I can actually hear some hissing so I started checking all the hose and I found that this line leaks when I move it a little. Can anyone tell me what this is exactly and how hard is it to replace. It's the hose circled in red. 
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Drive it the way it's meant to be driven!
2000 Boxster S
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06-26-2015, 07:08 AM
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#2
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2 fast 4 U
Join Date: Aug 2010
Location: Canada Montreal
Posts: 176
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Here is another picture with the tube in question circled in red. 
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Drive it the way it's meant to be driven!
2000 Boxster S
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06-26-2015, 08:19 AM
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#3
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,433
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Check out Jager's thread on cleaning the exhaust ports above the main cats.
(No, not THOSE cats......)
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'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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06-26-2015, 09:27 AM
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#4
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by redeye280z
I got these 2 codes after I change my AOS and cleaned out the air intake. I know these codes mean I probably have a vacuum leak. I can actually hear some hissing so I started checking all the hose and I found that this line leaks when I move it a little. Can anyone tell me what this is exactly and how hard is it to replace. It's the hose circled in red. |
That hose supplys vacuum to the power brake booster. The connecter at the intake manifold has a nylon "C" shaped shim to lock it in place, make sure it is doing it's job. There is also a small O-ring seal at the connection secured to the intake by 2 screws.
Your codes indicate your SAI is not effective, so if you hear the pump operating after a cold start it is not effectively leaning the AFR seen by the secondary O2 sensors.
Check the link posted by Timco.
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OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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06-26-2015, 10:19 AM
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#5
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2 fast 4 U
Join Date: Aug 2010
Location: Canada Montreal
Posts: 176
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Jager's post on cleaning the exhaust cats was posted for code P0410. I am getting both codes and I can hear vacuum leaking from that hose. Could a leak from that hose cause those codes?
__________________
Drive it the way it's meant to be driven!
2000 Boxster S
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06-26-2015, 10:37 AM
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#6
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by redeye280z
Jager's post on cleaning the exhaust cats was posted for code P0410. I am getting both codes and I can hear vacuum leaking from that hose. Could a leak from that hose cause those codes?
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I don't see how they could be related, but obviously you don't want a vacuum leak to your brake booster so I would be fixing that 1st.
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OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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06-26-2015, 02:02 PM
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#7
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Registered User
Join Date: Dec 2008
Location: Queensland, Australia
Posts: 1,522
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If there is a leak on your brake booster vacuum line, you will feel the braking poor compared to normal....
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2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
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06-26-2015, 04:09 PM
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#8
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2 fast 4 U
Join Date: Aug 2010
Location: Canada Montreal
Posts: 176
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The leak happens when I move the hose a little. I think that the leak is very minor until you twist the hose a little. I haven't really noticed any difference in braking but I halso haven't driven it all that much since last summer. Just wondering if this leak would trigger the cel codes.
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Drive it the way it's meant to be driven!
2000 Boxster S
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08-15-2015, 07:05 PM
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#9
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2 fast 4 U
Join Date: Aug 2010
Location: Canada Montreal
Posts: 176
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bump,,,,,,,,
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Drive it the way it's meant to be driven!
2000 Boxster S
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08-15-2015, 08:11 PM
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#10
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Registered User
Join Date: May 2013
Location: Orange County, California
Posts: 266
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Quote:
Originally Posted by Steve Tinker
If there is a leak on your brake booster vacuum line, you will feel the braking poor compared to normal....
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I had a leak on that hose, but the braking wasn't affected. I think there's a check valve along the way that doesn't allow the brake booster to lose vacuum.
I tried driving the car with the hose disconnected while troubleshooting, and it took a tremendous amount of force to push that pedal down, almost impossible to stop the car without that vacuum line. Never thought it would have such an impact.
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08-16-2015, 02:52 AM
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#11
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2 fast 4 U
Join Date: Aug 2010
Location: Canada Montreal
Posts: 176
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Did that leak give you any codes?
__________________
Drive it the way it's meant to be driven!
2000 Boxster S
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08-16-2015, 06:54 PM
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#12
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Registered User
Join Date: May 2013
Location: Orange County, California
Posts: 266
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Quote:
Originally Posted by redeye280z
Did that leak give you any codes?
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Yes, P1128 and P1130, oxygen adaptation rich threshold in both banks.
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