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I have a 2.2 4cylinder engine, ran a engine scan on engine,the code can up with

(1997 Toyota Camry)
in Williamsburg, OH on September 23, 2012
code can up with p302 code !! pull all of the spark plug out of the engine, number 2 plug was clean,the other was dirty !!
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Popular Answer
on September 24, 2012
CHECK FOR IGNITION FIRE AND COMPRESSION ON THAT CYL. AND POST. RESULTS.
on September 27, 2012
I did a compression check on the engine, number 2 cylinder came up with a low compression !! it was 120 !!! the other cylinder came up about 180
on September 27, 2012
DO YOU FEEL A MISFIRE WHEN DRIVING THE CAR? OR JUST GETTING A MISFIRE CODE?
YOU SAID THAT THE PLUG WAS CLEAN, WAS IT WET AS WELL WHEN COMPAIRED TO OTHER 3?
WHAT WERE THE OTHER CYLS. COMPRESSION? HOW DOES EXHAUST LOOK,SMELL AND SOUND?
on September 28, 2012
i pulled all of the plugs out and put new plugs and wires in, and started the car up, ran it for a little bit, and it had a rough idle to it. So I pulled all the plugs out and checked them out, number 2 spark plug was dry and had no smell of fuel. exhaust seems normal.
what can i do next !!
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