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Unicarriers (& Nissan) AP1F2A25DU:
Engine runs rough as guts when cold runs fine once warmed up.

K21 engine that runs absolutly fine when its warmed up but runs rugh as guts when engine is cold. Has no fault codes showing on screen.
Any ideas would be a help.
  • Posted 28 Jul 2015 14:04
  • Discussion started by Brad43
  • New Zealand, New Zealand
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From the forum discussions …
"Remove the coils and ohm out the pins. Coils take a different number than regular 4y plugs... If code is there then it is an ecu issue."
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From the forum discussions …
"Remove the coils and ohm out the pins. Coils take a different number than regular 4y plugs... If code is there then it is an ecu issue."
ron_k, United States
Read & Post in our Forums
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