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jsd3024
 Post subject: 2003 Deville p0174
PostPosted: Wed May 06, 2009 12:26 pm 
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Joined: Wed May 06, 2009 12:16 pm
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Went on a short trip today (100 miles round trip) at about 60 miles per hour and car started missing at idle to the point it would almost die. Checked codes and found P0101, P0300, P0171, and P0174. Changed front four plugs (out of time to change all) and now only have P0174 after about 20 miles of driving. Any ideas?
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 Post subject: 2003 Deville p0174 
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asecmt
 Post subject: Re: 2003 Deville p0174
PostPosted: Wed May 06, 2009 4:35 pm 
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Joined: Tue Jun 17, 2008 7:06 pm
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Location: Atlanta GA
Look at the rubber boot that attaches the intake to the throttle body. I am NOT talking about the air duct from the air filter. If you follow the intake from right to left you will see a rubber coupler then a metal spacer then the throttle body. This boot will split and will cause all you issues. Check it REAL good with carb cleaner with the engine running and see if it stumples.
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