Mechanics

MY EML LIGHT CAME ON AND THEN THE TICKOVER WENT HIGH AND LOW THEN SETTLED BUT THE LIGHT IS STILL ON, 1.1 ()

2002 Citroen Saxo • 69,000 miles

THE EML LIGHT CAME ON, THE TICKOVER WENT HIGH AND LOW BUT THE LIGHT IS STILL ON, HAD IT RESET BUT IT CAME BACK ON, OBD CODE 420, WHAT IS THAT?
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Claire stuart
March 8, 2012.



Could be an oxygen sensor/s or the catalytic converter problem.

Rasmataz
Mar 8, 2012.