I just got back my fuel injectors. I had sent them off to be cleaned and tested. The results were interesting.
#1 #2 #3 #4 #5 #6 %dif --------------------------------------------
B4 73.1 79.2 75.4 72.3 73.5 74.6 9.6
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Aftr 75.4 76.2 76.9 75.3 75.4 76.2 2.1
I wonder what the 9.6% differnece in the injector flow rates may have done to my car. Could it have accounted for the rough idle when cold... or a rich fuel condiditon in one cyl?
The Bosch manual says that the computer sets injection pulse by an average. If all injectors recieve the same signal, but deliver different amounts of fuel, then would some run more rich than others?
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Dan Tolley
1987 911 Coupe
http://www.cheaterswayside.com/911/gallery.asp?sort=0&userid=294