meltonlad Posted July 1, 2007 Share Posted July 1, 2007 hi all,not sure why but my gti has gone from doing 325 miles per tank to just 250ish per tank. its still running the same no lack of power. if anyone can shead some light on what it may be please let me know. service was done 2000 miles ago. no mods to engine. please help if you can. Link to comment Share on other sites More sharing options...
Stu Posted July 1, 2007 Share Posted July 1, 2007 Take it to Ford for proper diagnosis. Internet diagnosis often results in upset. Link to comment Share on other sites More sharing options...
Craig855S Posted July 1, 2007 Share Posted July 1, 2007 look at the spark plugs,thats all i can say. if it runs normally then obviously the "unplug the MAF and see if it idles better" comments are wasted here Link to comment Share on other sites More sharing options...
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