Mechanics

NEED HELP FAST PLEASE----SURGING

Nissan Altima

I have a 1997 Nissan Altima XE with 130,000 miles. RPM's drop and starts surging after engine warms up. Already changed fuel pressure reguator, fuel pump, distriburter, plugs, air filter, fuel filter. While driving to garage, blew black smoke out of tail pipe. Took to Nissan dealership and they have had it for over 3 weeks and can not find out what is the problem
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Robin195748
May 30, 2006.



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