Usually located in a removable housing at the engine end of the upper radiator hose
In the intake manifold plenium, its a 2 wire sensor
yes it will
the lower hose
They didn't make and Si in 1998. The PCV valve is on 1998 Civic SI's are located on the bottom of the intake manifold. It is acessed from the bottom of the car, you have to remove the oil filter to reach it.
found it
where is the mass air flow sensor located in the 2003 Honda civic
It will be in the ducting before the throtle body.
In the fuel tank pump assembly.
below on the right. by the passengers leg
The motor in a 1993 Honda Civic Si is a 1.6L D16Z6. In contrast, the 1991 and earlier Civic Si comes with a 1.6L D16A6. And the 1999 and up Civic Si has a B16A2motor.
www.b20vtec.com would be a good place to start or www.honda-tech.com
Honda Civic Si and Honda Civic Si EP3 the same thing. There are several different year models of of Honda Civic Si's. EP3 is the chassis code for that specific Civic Si 01-05 was the EP3. So the new Civic Si 06 to current two door model is the FG2. By the way the chassis codes are found in the VIN#.