My engine check light came on and I took my 1998 Toyota Corolla to the dealer. It has 150,000 miles on it. I just had an oil change 3 days before and it seem like every time I take it in for an oil change, there is always something else they come up with. The diagnostic check read P0420, so the d…

Catalytic Converter for 1998 Toyota Corolla

hellokit January 23, 2009, 10:33pm 5

Here are some of the things the mechanic should check when the trouble code of P0420 shows up http://www.obd-codes.com/p0420

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