Refer to a service manual for complete pictures and torque specs. Overtighting the plugs can lead to a damaged engine
Depends on the engine specification. You will need the manual.
the manual specifies an Autolite AZFS 32FE
depending on how worn the plugs are, it may not fire properly and this the engine wont start. plugs are cheap so i recommend you replace them regardless
In the front of the motor by the transmission dipstick. This is where your spark plugs from the engine go.
right on the top you will see the wires going straight down into the engine pull the wires off they are about 4 inches long going into the engine and the plugs are in the holes there.
you have to take the center peice off the top of the engine.. part that says 2.2 ecotech and the plugs are located deep down inside there
Most any code reader that plugs into diagnostic port can reset
Looking from left to right at the Ing. Coil the firing order is 4,1,2,3. Plugs are 1 through 4 left to right on top of engine.
freeze plugs are located along both sides of engine block and also on the rear of block behind the flywheel. freeze plugs are also located in the heads
Your 2004 CRV 2.4L came with spark plugs that were specific to your engine size. Should you ned to regap those spark plugs, the gap size is listed in the user manual.
Under the black plastic piece on top of the engine. Remove the couple of screws and look inside.