Hi i have 1999 toyota corolla 172 thousand miles. Sometime when driving check engine light flashes. Put the best spark plug and wires on it oil change . Took for a diagnostic test says missing on all 4 cylinders catylatic convertor and combustion. So i replaced catalytic convertor. Still runs rough.…

1999 toyota engine light blinking sometime

stacyparker0510 March 1, 2017, 6:59pm 5

All codes p0303 p0300 p0301 p0302 p0303 p0420 p0505 p1300 p0304 p0420 ive changed injectors wires plugs and catalytic convertor please help me. Oil in 4th cylinder

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1999 toyota engine light blinking sometime

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