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08-25-2007, 03:24 PM #1
- Join Date
- Jan 2007
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- New Orleans Suburbs
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- 36
- Posts
- 140
White- '02 Formula A4
"Secondary air injection" throwing a code on my Formula. Help please!
Yeah, my check engine light came on and its my secondary air induction thats throwing the code, what the h*ll is that? Anyone have any reason why it would do that? Any help will be great.
-Richard
PS. I just realized that secondary is one word.
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08-25-2007, 03:41 PM #2
- Join Date
- Jul 2005
- Location
- Jacksonville, FL
- Posts
- 2,723
Nothing critical performance wise and OK to drive, but need the actual code to tell what's going on. Could be the air pump, fuse, clogged air check valve, etc. Got the code?
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08-25-2007, 03:46 PM #3
- Join Date
- Aug 2005
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- Texas Department of Corrections
- Posts
- 18,128
- Retired Outlaw Sum Bitch
PCV valve or vacuum leak.....
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08-25-2007, 06:06 PM #4
- Join Date
- Jan 2007
- Location
- New Orleans Suburbs
- Age
- 36
- Posts
- 140
White- '02 Formula A4
I'll get the code on Monday. I'm on vacation right now in Destin, FL an will be home Monday.
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08-25-2007, 09:32 PM #5
if it's p1415 or p1416 it's probably a check valve. Number 30 on the diagram and ~$20 at napa. You could also check the air hoses for leaks.
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08-26-2007, 08:07 AM #6
I had the same problem, I ended up replacing the smog pump, I was also blowing fuses left and right.
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08-27-2007, 02:29 PM #7
- Join Date
- Jan 2007
- Location
- New Orleans Suburbs
- Age
- 36
- Posts
- 140
White- '02 Formula A4
The code is a P0140 and a second one is P0140 but then at the end of the screen it has PD. It says the same thing though.
I'm not blowing fuses right now.
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08-27-2007, 03:06 PM #8
- Join Date
- Jul 2005
- Location
- Jacksonville, FL
- Posts
- 2,723
P0140 isn't secondary air - bank 1 sensor 2 insufficient activity. Sure the code wasn't P0410? Or maybe both?
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