Mechanics

NISSAN SUNNY ENGINE PROBLEM

2002 Nissan Sunny • 96,000 miles

Hi, My car is manual. The engine rpm going up and down (1000 to 2000 ) in between gear shifting, I check for vacuum leaks, and I check the air control valve, but all right !, Everything on the dasboard is working, what's the problem?
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February 23, 2013.



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