Car miss undriveable when engine is cold When engine reaches operating temp car is drive able with a miss throughout rev range
reeves beautifully Free revving
also manual
List I've done checked
fuel pressure is good at 60psi factory setting (Car runs better when pressure is around 90 psi )
replaced all coils leads and plugs Changed injector rail with known running engine
New fuel pump
changed map sensor out Changed oil pressure switch
coolant temp sensor inew ( 6months )
noticed the issue when got new exhaust system made twin 2.5 With new cars and new 02 sensors I'm stumped Beyond over it haha

 

O2's id bet... Which o2's are you running?

 

Genuine 02 sensors

 

I would also bet 02 sensors, I have had a brand new pair crap out after 3 weeks

 

fixed swapped out every bloody sensors with a mates ls1 vz commodore found the mas sensor to have tested ok but swapping it out has resolved my issue