Eratic Performance

[dwductape]

need some help have a 2003 2500 hd with 45000 miles when it is raining it runs great like new money when it is dry wants to miss every now and then at idle have what seems to be torque converter from 45 to 60 miles per hour and seems like more noise from under hood than when wet has been rainning here for 2 days truck running great it is clearing off and all the above mentioned problems are slowly returning it makes sence if it where the other way around but not like it is doing new plugs transmission service with filter change no slug in pan at all looked like bran new dont know where to go from here any help would be appricated thanks david sorry i ment torque converter shudder

[reidk8310]

need some help have a 2003 2500 hd with 45000 miles when it is raining it runs great like new money when it is dry wants to miss every now and then at idle have what seems to be torque converter from 45 to 60 miles per hour and seems like more noise from under hood than when wet has been rainning here for 2 days truck running great it is clearing off and all the above mentioned problems are slowly returning it makes sence if it where the other way around but not like it is doing new plugs transmission service with filter change no slug in pan at all looked like bran new dont know where to go from here any help would be appricated thanks david sorry i ment torque converter shudder

 

 

I would check your O2 sensors. You might have short in one of the O2 wires.