Tim my 85 does the same thing if the timing is on spec(weird) but completely disappears if the timing is adjusted (advanced I think but I'm not sure) just a bit beyond the spec amount. Whenever I get the beast tuned up I have to tweak the timing to get around the hesitation. Tony 85 GL "Westfailure" Tim Belanger wrote: > Just put a new CAT (last week) and a new Oxy sensor(2months ago) on my 87 > Wolfsburg. I have been running the van the past few months with the Oxy > sensor DISconnected, because I noticed that when it was connected my engine > would hesitate and take off VERY SLOWLY unless I was punching the pedal and > gettin my RPM's over 2000. My mechanic said it was either my CAT or Oxy > sensor. Well changed both and still have a VERY BAD hesiations. It will go > up to like 1500 RPM's as I leave a light or stop sign and just drop to idle > speed RPM's or sometimes (not often, only a couple times) even stall. Now to > aviod the problem I can dissconnect the Oxy sensor wich makes the van alot > quicker and smoother accelerations, but lowers my gas milage. Or if I leave > it on I have to make sure I punch the gas everytime I take off to keep my > RPM's up over 2000. Making a pain to turn and not have things in teh back go > all over, and just to take off without shifting the weight of the hole > vehicle. If someone has had this porblem b4 or knows of a fix for it please > let me know. I do not want to just start changing sensors and parts w/out > some idea of why this is happening. > > Thanks > > Tim > 87 Wolfsburg |
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