5W30 in winter and 10W30 in summer.
It is important to keep the right type fluid in a car to keep in running smoothly. A 1999 Honda Accord uses 5W-30 or 10W-30 engine oil.
The 2014 Honda Accord has double overhead cam (DOHC).
The 2006 Honda Accord has double overhead cam (DOHC).
The 2005 Honda Accord has double overhead cam (DOHC).
The 2009 Honda Accord has double overhead cam (DOHC).
The 2003 Honda Accord has double overhead cam (DOHC).
The 2002 Honda Accord has single overhead cam (SOHC).
The 2011 Honda Accord has double overhead cam (DOHC).
The 2010 Honda Accord has double overhead cam (DOHC).
The 2004 Honda Accord has double overhead cam (DOHC).
The 2012 Honda Accord has double overhead cam (DOHC).
The 2013 Honda Accord has double overhead cam (DOHC).