197000 miles does Possibly, and most likely, the oxygen sensor.
An (A) service means Replace Engine Oil.
Engine diagrams for a 1994 Honda Accord are available through automotive parts stores. Honda Accord service repair manuals also carry all the necessary diagrams.
The check engine light on a 2003 Honda Accord will be triggered when something on the engine is malfunctioning. To rid the check engine a light the ECU will need to be reset.
B = Change engine oil and filter.5 = Change engine coolant.
The 2011 Honda Accord has an inline 4 engine.
The 2005 Honda Accord has an inline 4 engine.
The 2004 Honda Accord has an inline 4 engine.
The 2007 Honda Accord has an inline 4 engine.
The 2006 Honda Accord has an inline 4 engine.
The 2003 Honda Accord has an inline 4 engine.
The 2014 Honda Accord has an inline 4 engine.
The 2008 Honda Accord has an inline 4 engine.