hi !!
My 03 viper is not running right. When i drive slow or under 5000RPM engine runs only 2 cylinders. Idling normal and hi RPM works great. I changed sparkplugs and i did compression test each cylinder and they was good. PTO side 115 PSI and other two 125 PSI. It is very difficult to find any problem because it runs great most of time or many miles, but sometimes runs bad every couplehundret meter and thats get me pissed !!
Could be ice or is it some crap in carburetors??
I have never clean up those carbs. Should i start those??
Any ideas ??
Thanks. -J-
My 03 viper is not running right. When i drive slow or under 5000RPM engine runs only 2 cylinders. Idling normal and hi RPM works great. I changed sparkplugs and i did compression test each cylinder and they was good. PTO side 115 PSI and other two 125 PSI. It is very difficult to find any problem because it runs great most of time or many miles, but sometimes runs bad every couplehundret meter and thats get me pissed !!
Could be ice or is it some crap in carburetors??
I have never clean up those carbs. Should i start those??
Any ideas ??
Thanks. -J-
VMAX535
New member
pilot jet plugged??
Millinocket Rocket
New member
Yes, start with cleaning the carbs for sure, pilot probly plugged on that cyl.
start with clean carbs and new fuel filter. might have a peice of crap floating around in there.
02ViperMtn
Member
spark plug wires?
hereismylife
Active member
There is some good info in my signature