it means a 2.3 litre engine
H23 =Honda 23.. engine model
23 L = 23 000 mLTo convert from L to mL, multiply by 1000.
23 kL is to 0.023 L.
That's the metric system size of the engine , for example the 2.5 L ( liter ) engine available in the Ford Ranger from 1998 to 2001 is a 153 cubic inch sized ( 4 cylinder )
What is an l head engine
1 L = 1 ooo mL and 23 mL = 0.023 L
23 000.
get a new one
EGR valve I believe
At engine idle 13-20 psi Key on engine off 23-31 psi
23 L
2300 L