VP does not want to be fixed

[Sandst4rm]

Tune done is AXFW vn 1988 tune and heat makes it better, did comp test all good, chucked new iridium plugs in instead of 8 dollar ngks, chucked new EFI relay in just in case seems fine now, will update when driven today

 

[gtrboyy]

Factory memcals are ordinary at best hence so many revisions.

Keep messing w ith eventually will find issue.

 

[Sandst4rm]

Car is driving fine now, i guess its fixed??? mustve been spark plugs only few months old but woteva

 

[MikeC]

Car is driving fine now, i guess its fixed??? mustve been spark plugs only few months old but woteva

There's a fair chance your $8 NGK's were counterfeits- there's always been a big market for these.

About 10 years ago NGK started posting on their website guides on how to spot counterfeit products.