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There have been recient posts about this same subject. One guy found injectors 1 and 4 always injecting non stop. He believes he found a faulty brain. The outcome still pending. Follow Jim's suggestions first. then see the following: - fuel pressure (way too high ?) must be around 28- 30 lbs. If not readjust it. - Pressure sensor disconnected or not holding vacume ? Check these, follow bently manual. - injectors leaking ? Check these by taking a pair out, place in jar and see if one is stuck open. Disconnect coil and turn ignition on. If you have the throttle "pump" option working, pump the throttle to see how the spray pattern looks while you are there. If not, then you can take the distributor out and turn it manually while the key is switched, you can see the pattern this way. Remember to disconnect the coil from the battery voltage and insulate the voltage wire, you do not want to start an engine fire. The object of this last check is to see if the injectors are squirting way too much fuel . You can tell if it sends it in gobs instead of conical sprays going on and off. LEON MARTINEZ 1969 SQUAREBACK EFI/AUTO SAN DIEGO AND TIJUANA ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org