Recent content by douglas218hk

yes, I also have a black spark plug(denso IK20) before, they make my engine run pretty rich too. now, I have installed a S-AFC to lean it out. :)

Where is the wastegate acuator? Is that a valve which control how much fuel return back to the fuel tank?

Hello all, I don't know why, my engine is jerking at about 5000 to 6000rpm moreover, it has a hesitation when step on the pedal from stop or from a braking to stop before. I haven't encountered this problem before. I am using Denso IR20 spark plug. K&N air filter for original air box. S-type...

Oh, I see.. I am sorry for that!

Yes, it's a protege, but we call mazda 323 1500cc here. It is using a ZL series engine. Am I wrong?

Hello all, I don't know why, my engine is jerking at about 5000 to 6000rpm moreover, it has a hesitation when step on the pedal from stop or from a braking to stop before. I haven't encountered this problem before. I am using Denso IR20 spark plug. K&N air filter for original air box. S-type...

SORRY, i am new to here. I want to know what is MAF Thx for you advance!