I have a 1995 GTP with the 3400 DOHC 128000 miles on it. I just got the car it set for 2-3 years. I am finally getting all the bugs worked out of it. Replaced plugs wires coil packs and a faulty cam sensor. No more codes. I am getting a very definate miss at idle when i first start the car in the morning if the ambient temp is below 65 degrees. The scanner says cylinder 3 weak. I ran two treatments of fuel injector cleaner through it with no change. Once the car is warm it runs just as smooth as can be. Anybody got a suggestion?