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On 11 Apr 2002, at 21:54, jim wrote: > Thanks for all the reponses to my problem. I can answer a few of the questions because > of notes I have from working on the car in the past... > > Jim Adney asked: > > On a mosiac engine setup like this it is important to know EXACTLY what > > you have there for a FI system. I'd like to know which of the following you > > have: ECU, distributor, vacuum advance, pressure sensor. > > I will check the brain (I should have an E brain for a 72 engine yes?) and pressure > sensor tomorrow. Are there any visual checks I can do to determine the pressure sensor > Or do I need to remove it for the part number? From reading the archives it sounded like > there were three pressure sensors used that were visually different. My throttle valve > switch is for a 72 (5-connectors); Temp. Sensor II is located on the intake air > distributor and my engine does not have a separate relay for the cold-start valve. My > injectors don't ground on the cylinder heads. My distributor is single vacuum #311 905 > 2051 Yes, E brain = 72-3, but there were sub-varieties, so what are the Bosch numbers? The 72-3 pressure sensor should have had a black plastic cylinder stuck to the rear face. If you don't have that you'll probably have to take it off to get the numbers off it. 5-pin switch and most of these other parts are 72-3. The last character in the dist # is probably an L. This would be a 68 dist, but it should work fine here. Time it like a 73 if it has a 265 vacuum can, or like a 72 if it has the 72 vac advance/retard can. > Also, for the Throttle Valve Switch and the Pressure Sensor, the Bently has a procedure > to test it using the VW1218. Can I repeat this type of test with an ohmeter? Would I > test the resistance across which two of the five connectors on the switch? just > wondering. Yes, use an Ohmmeter. I just posted those numbers, I think it was between terminals 14 and 20. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe