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start hesitation 700 1989

posted by  norfleet on  Sat Jul 19 07:46 CST 2003
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last visit: Thu Dec 26 15:33 CST 2013
[RELATED]

this started last week. When I start my 740 (non-turbo), the engine catches very qickly, then there is a very short rpm drop off to about 200 rpm and then it revs up to the normal 800-900 rpm. the rpm drop off lasts about 1/2 to 3/4 second. It happens when the engine is cold or hot. the car has 150,000 and has had the usual maintance. new plugs, injector o-rings, etc had no effect. There are no problems when driving the car (no drop off at a stop sign, etc). Any ideas (the fuel pumps are original)






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