 OT: Jetta exahust leak |
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| ruddyboys |
 Jan 13 2009, 03:00 PM
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Hummel eigentümer  Group: Members Posts: 594 Joined: 3-March 04 From: Monroe, NY Member No.: 1,749 Region Association: North East States  |
My jetta aways got 34mpg, but lately have been getting around 28-30. Last night the check engine light came on and the exhaust sounded load under the car, would an exhaust leak be the cause of bad gas mileage?
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| Cap'n Krusty |
Jan 13 2009, 05:37 PM
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#2
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
You DO know there are in excess of 1500 codes and variations, right? It could be anything. Granted, some wont turn the light on, and still others take multiple drive cycles to do so. There are many things which could affect your fuel mileage, including a bad MAF sensor, a bad thermostat, a bad CTS (VERY common!), an exhaust leak before the cat, a broken vacuum line, and a bunch of other things. Most good aftermarket VW shops have either the VW factory scanner, or Vag Com, an aftermarket system. You need to have it scanned.
The Cap'n |
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Posts in this topic
ruddyboys OT: Jetta exahust leak Jan 13 2009, 03:00 PM
Cap'n Krusty Could be. What year is it, and what engine/tranny... Jan 13 2009, 04:42 PM ruddyboys My Jetta is 2003 with 165,000 miles, has the 2.0L ... Jan 13 2009, 04:59 PM r_towle If you are bored you can get VAGCOM online and dow... Jan 13 2009, 05:45 PM
Cap'n Krusty
If you are bored you can get VAGCOM online and do... Jan 13 2009, 06:43 PM Drums66 :agree: echo= you need to have it scanned! Jan 13 2009, 05:51 PM |
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