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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 Mark Fuhriman asked: > Look at the trigger points. Make sure the little "room" inside the > disrtibutor for the trigger points is clean. Clean your trigger points by > dragging a piece of paper through them. Measure the resistance through the > closed points. Should be pretty low. The trigger points are cleaned. The distributor was rebuilt in September/October 2001 and I cleaned them before taking the car to the mechanic the last time and the mechanic double-checked my work. And I re-checked them when I did the tune-up before posting to the list. 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. Thanks again. Jim ===== all new and now with genuine meat by-products... http://www.machobeagle.com __________________________________________________ Do You Yahoo!? Yahoo! Tax Center - online filing with TurboTax http://taxes.yahoo.com/ ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org