DOHC - 2.3L Duratec / Mazda L Engines Discussions and Topics specific to the Duratec 4 cylinder engines

Replacing Fuel Injectors?

  #26  
Old 04-05-2018
Member
Join Date: Feb 2018
Location: Arcadia, CA
Posts: 33
I swapped cables on the coil packs just to see if it was the cable, spark plug or my tester that was no good. I swapped #1/#4 and #2/#3 on the coil packs. Then, I started the engine and now I had sparks on #1/#2, but no sparks on #3/#4. One thing though, when I unplugged the cable (lets say #3 or #4) on the coil pack, I could see spark.
 
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