i meant to say pcm was replaced. i bought this car from a guy in mississippi. hes got alot of stuff swapped out on this car. how we discovered it was an LT4 was because my neighbors vette has the...

I have a 93 camaro LT4 and i have replaced the optispark, ICM, and ignition coil and i still ha e no fire. Any ideas what could be the issue

everything has been swapped over to a 97 but thats been some time ago. the car has been running fine until recently when the optispark failed now the coil. harness, pcm and all has been redone or it...

the optispark changed between the years. the 93 and 94 where the same. the 95 up was totally different on the backside where it goes into the motor. not only did the 95 up get vented they changed the...

it has new a new pcm. the car is 93 but had an engine replacement to a 97 engine so they had to change the pcm as well. but that icm...i found a crack in it and before the coil stopped firing it was...

it got dark so i just came in. ill check that tomarrow. im thinking im gonna have to change that coil and module.

im getting no fire whatsoever from the coil itself on my LT4. could it be the control module or just the coil itself?

found out my 93 camaro that had the optispark to fail. i ordered an msd optispark and when it arrived i realized it was totally different on the back where it went in the motor. found out my car had...

it was very weird the way it went out. it went out and the whole driver side wasnt firing and barely on the passenger. i found one at autozone
$149. but the question is...are they of good quality?...

it was the optispark, was firing on just a few cylinders

optispark i found out today after it got worse. only firing on some of the cylinders

I found out today after it finally died. the optispark is shot. no fire coming from the optispark. that why all the missfiring had been going on.

i have a 93 z28 lt1. it started idling rough and missing a little and smoking gray smoke and smells like gas but not a normal gas smell. it smells horrible. i had this car covered up behind my house...