Mechanics

ENGINE IDLE

1997 Toyota Corolla • 124,652 miles

Hi, I have a 1997 toyota corolla 1.6 engine, it idles rough (just started) but when I unplug the hose on the vavle cover it idles fine, whats causing the rough idle? Thanks
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Bkramsey
February 20, 2012.



-Do you have a check engine light?

Check the idle air control valve, EGR and PCV valves and test the TPS

Rasmataz
Feb 20, 2012.