I have been puzzled by that spring also. I would think it makes the throttle a little stronger so your leg wont get tired. If your revs stay high, I would be looking for an air leak on the engine side of the throttle body, perhaps a vacuum line that has perished. Steve On May 4, 2013, at 2:37 PM, John Meeks wrote: > That long spring that goes from the air plenum to the tab on top of > throttle return spring doesn't seem to do much on my stock 2.1. Should the > spring return the tab to fully counterclockwise position? > > I'm trying to fix an intermittent problem where the throttle keeps the RPMs > high with foot off the gas pedal & the clutch down or in neutral. > > Every time I check it while engine is running fast, that tab is full to the > clockwise. RPMs fall to normal when I rotate the tab to the > counterclockwise position. > > I've cleaned the throttle body and lubed the return spring. Do I need a > shorter spring? I'd like to understand what that long spring should be > doing. > > Thanks, > > John Meeks > '91 Multivan > Stock 2.1 250k miles > > http://www.vanagonauts.com > Vanagon Rescue Squad > iPhone and Android apps |
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