I'd say it's one of two things (both of which I've experienced with similar symptoms) - either a problem with the injection pump mounting, causing the pump to twist slightly and alter the timing, or a plugged air filter causing early stages of runaway. Both are serious issues, so check 'em both - ie: check those inj. pump bolts, and check your air filter... On 11 Feb 2008 at 21:01, John Tyberg <Diesel- Vanagon@yahoogroups.com> wrote: > Alright, another question for the gracious diesel heads. > > In each gear, when my rpms get to the same level (I couldn't tell you > what number that is because I don't have a tach. Probably about > halfway up the meter before I change gears--1000-2000rpm?) my engine > gives this strange boost in acceleration and then returns to the > normal amount of power when the rmps pass that window. > > In other words, my foot keeps the same pressure on the pedal, but > suddenly the car makes a short jump in acceleration in each gear at > the same rpm. It's kind of unsettling and is causing my driving to be > really jerky. > > Has this happened to any of you, and if so, what was the diagnosis? > > I appreciate any input. (Please write your input in idiot's guide > language) > > thanks, > > John > > 1.6na 4-spd > > > > > Yahoo! Groups Links > > <*> To visit your group on the web, go to: > http://groups.yahoo.com/group/Diesel-Vanagon/ > > <*> Your email settings: > Individual Email | Traditional > > <*> To change settings online go to: > http://groups.yahoo.com/group/Diesel-Vanagon/join > (Yahoo! ID required) > > <*> To change settings via email: > mailto:Diesel-Vanagon-digest@yahoogroups.com > mailto:Diesel-Vanagon-fullfeatured@yahoogroups.com > > <*> To unsubscribe from this group, send an email to: > Diesel-Vanagon-unsubscribe@yahoogroups.com > > <*> Your use of Yahoo! Groups is subject to: > http://docs.yahoo.com/info/terms/ >
Shawn Wright http://members.shaw.ca/vwdiesels '88 Westy 1.6TD 5 speed '85 Jetta Diesel 1.6NA |
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