After installing everything, it turn on perfectly. Then the Checking Engine light started Blinking. Which indicates a misfire. I also change The spark plugs and pcv. The knock sensor are from toyota. I check everything , vaccun leaks, and grounds , are okay. Or maybe i missed something. What can cause this misfire?
What’s The code?
P0300 - random/Multiple Misfire
P0301 - Cylinder 1 misfire
P0303 - Cylinder 3 misfire
P0305 - Cylinder 5 misfire
All of this are in ( BANK 1)
P0171 - System Too Lean Bank 1
P1300 - igniter circuit Malfunction No.1
Check your fuel line pressure. Did you clean MAF sensor? Replace the coil on cylinder two with anyone the above troubled cylinders (e.g. cylinder 1) and see if the misfire goes to that one. If so, you should replace the ignition coil. Check out this one: