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2003 Mercury Sable Question: does the engine light on means a emmission failure

 

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tomz215, 3.0L V6 DOHC, Waterbury, CT, May 10, 2013, 10:29
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i failed the 1st test..since i put in coil pak..new wires..new spark plugs..new IAC..new filter..new fuel filter..
new gas cap..had throttle body cleaned.. MY ENGINE LIGHT IS STILL ON..COULD IT STILL PASS AN EMISSION TEST..DONT KNOW WHAT
ELSE TO DO..

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