Well, I did swap the coils from my other car today and the result is still the same. At least I'm now sure 100% it's not the coils. I still can try switching the crank angle sensor and buying some new plug wires but after that, I don't know what else to do!!



........Anybody has any idea?

When you said your spark only fires once in a turn you probably pic the T1 ot T2 signal. only the L1 and L2 fires all the time. Check your igniters, both L and T, replacing your coils won't do it..Of course change your Cables and Plugs, also may be a good idea to clean or replace your coil connectors, and Battery connection. also check your ground thru the hole system.. it is a pain, but it's worth-it