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On Sat, 2005-04-02 at 11:40, Craig Webb wrote: > This problem has been driving me nuts, but I think I'm on the way to solving > it. can the FI experts on here confirm I'm going along the right lines: > > Problem: My new FI engine refuses to idle under 1200rpm. > > This is a brand new engine, just broken in. I've converted a carbed car to > run FI (stock 1972 system- dual vac dizzi). I've been all over the car and > done the following: > Set valves up correctly > Set timing correctly. Dizzi also retards and advances the correct amounts > Plugs ok and gapped > Re-done my intake runner gaskets with 2No fibre gaskets - as suggested on > here a week ago > Checked the large runner hoses at throttle body - no leaks > New injector seals used > Checked out the throttle switch and set correctly > Checked resistances of temp switches - ok > It sounds like you are doing everything right. It sounds like you have some type of vacuum leak. I am thinking aux. air regulator, or the pipe you describe on the back of the air dist. box. That may be for some emission control device your don't have. Can you get any pictures of how things are laid out hose wise. I could post them on my web site if needed. -- Russ Wolfe '71 FB AT '66 FB MT '64 T34 (not running) '65 T1 (not running) '05 KIA Sorento SUV russw@classicvw.org http://www.classicvw.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~