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On 29 Dec 2001, at 15:44, Christopher Sheridan wrote: > anyway...70 fastback, automatic, FI... > compression Test results: all spark plugs were too loose on removal, > #1-110 pounds, #2-130 pounds, #3-120 pounds, #4-130 pounds These are not great, but they're good enough that they are not your problem. > bought a tach/dwell meter but one of those cheap ones where you have > to double the V8 readings to obtain V4 readings: > > Volts w/engine running (read off the 15 terminal of coil): 11.6 Sounds low, but you should measure it at the battery. It should be above 13.5V at med RPM with the engine warmed up after a drive. If it never gets above 13.5, this is your problem. Replace the voltage regulator with a genuine Bosch. > Dwell (read off the 1 terminal of coil) : 56 (new points, too high!) This is the high end of OK. This is not your problem. > RPM: the meter was telling me I was at 500 at idle and that can't be > right, I adjusted it up to what the meter said was 600 but felt and > sounded more like 1000. Remember, you have to double the 8 cyl RPM readings, too! > new bosch super plugs installed - short test ride the miss nearly > disappeared...but came back as an almost stall... So far I'm betting on a bad VR making the FI run rich. This fouls the plugs and makes the car run poorly. Has your gas mileage been really poor lately? > next step will be figuring out how to work the fuel Injection guage & > the volt/ohm meter I picked up, and go through the EFI... Good thing to get familiar with, but check the charging system regulating voltage first. - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe