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911 miss, revisited

Fuel System

Vehicle Information: Model: 911s; Year: 1976; Body Type: Targa; Total Mileage: 75000;

I fixed it! But I don't know what I did....I removed the heater hose to get a better look at the injector on #4...turned the ignition on, but didn't start the car...loosened the injector hose (at the injector) to see if there was fuel...I saw a small drop forming and then I tightend the connection again...on a whim, I started the engine and voila...I had a normal, functioning cylinder four...checked power balance with the analyzer again, and sure enough, it was carrying it's own weight--the RPM drop was similar to the other cylinders when I bumped it, what did I do to make it work? When I tightened the connection, it's probable I rotated the injector slightly...but's that's all I can figure...I'm a dentist, and on rare occasions we perform a treatment that cures a problem we weren't expecting it to cure...this looks similar...did a road test and the engine is normal again...any ideas?ggg

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