1997 Buick Lesabre emmsions code

Tiny
MARILYNB
  • MEMBER
  • 1997 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 128,087 MILES
What does a 440 emmsion code mean. We fix on thing it goes along for 300 or so miles and get it agagin it ends up being a cracked rubber tube or so. It has happpened twice and this I reset. Doesn't run hot are anything
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Monday, March 16th, 2009 AT 2:40 PM

7 Replies

Tiny
MERLIN2021
  • EXPERT


http://www.2carpros.com/forum/automotive_pictures/62217_440_1.jpg


Can be any Emmissions part failure, inspection is needed.
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Monday, March 16th, 2009 AT 2:44 PM
Tiny
MARILYNB
  • MEMBER
Sir I didn have an inspection it passed then teh check engine light came on, and then I took it to have test run at advanced and recieved this 440. When you say inpection where besides to the looney farm should I go next.
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Monday, March 16th, 2009 AT 6:45 PM
Tiny
MERLIN2021
  • EXPERT
By inspection, I don't mean the State inspection sticker, I mean you nead to have the emmissions checked with a scan tool that can command the parts to function, and or a smoke machine that detects leaks in the system, most garages can do these repairs. A P0440 is non descriptive of the exact part failure, so it is most likley a cracked part that is loosing pressure. Meaning a hose or plastic part. Inspection of these parts is what it needs!
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Tuesday, March 17th, 2009 AT 12:36 PM
Tiny
MARILYNB
  • MEMBER
Thnak yo so much this was very very helpful. Do you teach classes for yourng ladies and women. Basic car matintiancce and trouble shooting. Even changing tires if so how much
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Tuesday, March 17th, 2009 AT 9:15 PM
Tiny
MERLIN2021
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Thank you for the kind words, we just plug away at the keyboard, If you happen to see the Admins online, (Orange), PM one of them, I live in Mass, HQ is in Cal.
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Wednesday, March 18th, 2009 AT 7:27 AM
Tiny
MARILYNB
  • MEMBER
Woll do. You guys are awesome got an older mechanic using hte computer you proved his oldschool concern was correct and he is going bit by bit fixing it one was a cracked hose.
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Wednesday, March 18th, 2009 AT 7:31 AM
Tiny
MERLIN2021
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Good, let me know how it turns out.
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Wednesday, March 18th, 2009 AT 7:40 AM

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