Run a compression test to see if there are any low compression cylinders. Check fuel filter it may be clogged,or gap may be incorrect on new plugs, timing may be off, look for crack in distributor or damaged plug wires.
How do I change spark plugs in 2009 Toyota Corolla? whaT TOOLS I NEED
position of spark plugs on 2003 Toyota coralla
in the block
Take it to a Toyota dealership
bad spark plugs or bad wire connection to the spark plug
Corollas has a four cylinder engine, it means it has 4 spark plugs.
In the cylinder head, on top of the engine block.
Change the valve cover gasket.
There is an article with video on how to change spark plugs at ; http://www.carbasics.co.uk Look in their 'how to' section.
under the plastic head cover (top of the motor) four bolts
They are installed in holes in the engine block where the frost plugs are normally located
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