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  • 4 weeks later...
Posted

might not have ever had an O2 sensor? the holden engine in my ute never had one as it was nzdm market when leaded fuel was still available, and just runs closed loop

 

i feel like one of my other cars also doesnt have one, nissan or honda

  • Like 2
Posted

the cold start injector could be causing you issues.

it could be hanging open or the thermal switch that turns it on and off might be buggered.

worth a look.

  • Like 3
Posted

I’m assuming mine is the same as your nzdm in the regards to no o2 sensor. Some US forums say o2 sensor. May have been an emissions thing to require one in the US of A. 

will have a look into the cold start injector. Haven’t seen that issue in forums but a hell of a good lead. 
 

another thing I will try is the fpr. See if it’s gummed up or shitty in some regard. Will replace if required too see if that helps in any way

Thank you for the help team

 

 

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