p0171 CEL

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Oct 4, 2010 | 06:23 PM

hotgrass

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1st Gear

Joined: Jan 2008

Posts: 264

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p0171 CEL

my car had this code and my boost gauge is at 20 instead of 14-16. i cleaned my maf and it just disappeared for 2 days but came back. can it be my DV? or MAF? or something else?

Oct 4, 2010 | 06:34 PM

beachchair

2nd Gear

Joined: Dec 2007

Posts: 811

From: South Florida

That code usually indicates MAF or Vacuum Leak.

Oct 4, 2010 | 06:56 PM

hotgrass

Thread Starter

1st Gear

Joined: Jan 2008

Posts: 264

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can vacuum leak actually give me 20 boost? i thought it would go down if i had a leak?

Oct 5, 2010 | 07:13 AM

beachchair

2nd Gear

Joined: Dec 2007

Posts: 811

From: South Florida

Quote:

Originally Posted by hotgrass

can vacuum leak actually give me 20 boost? i thought it would go down if i had a leak?

I think you mean 20 lbs of Vacuum. If your getting 20 lbs of Boost, I'd leave everything as is.

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