Matt......I think your answer makes more sense than the others I've read, My car does the same thing, very slightly, and has no O2 sensor or cat. Chris 6301 Matt Spittle <supermatty@xxxxxxx> wrote: Since this is a problem that he only has when the engine is warm (when the oxygen sensor has reached 400 degrees or whatever), couldn't this be an indication of a bad oxygen sensor failing to regulate the mixture properly? Matt #1604 --- In dmcnews@xxxxxxxxxxxxxxx, "ryanpwright" wrote: > > > Thanks David -- Greatly appreciate the response. To answer your > questions, I have a 5 speed and the exhaust is stock except for the ---- > > -Ryan > > --- In dmcnews@xxxxxxxxxxxxxxx, "David Teitelbaum" wrote: > > > > > > I have to assume you have a 5-speed, the automatics won't do this > > (usually). Do you have the stock exhaust or is it modified? Do you > > have exhaust leaks? These things will affect the noise. If you are > > still stock then check out the deceleration valves on the throttle > > plates. They should move with the springs. If they are all gunked --- > > David Teitelbaum > > vin 10757 > > > > > > --- In dmcnews@xxxxxxxxxxxxxxx, "ryanpwright" wrote: > > > > > > > > > My car lets out a "glug glug glug" when I decelerate. Almost sounds > > > like a partial backfire. If I rev the engine in neutral and let off To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links --------------------------------- Do you Yahoo!? The all-new My Yahoo! ? What will yours do? [Non-text portions of this message have been removed] To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/