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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Here I have a 2003 1500hd with random misfire issues have

Customer Question

Hi Mike here I have a 2003 1500hd with random misfire issues have replaced many things but no change at idle it stumbles but doesn't throw the code only above 2000 rpm it seems to run better when driving in the rain or after washing it check and cleaned all grounds what am I missing?
Submitted: 1 year ago.
Category: Chevy
Customer: replied 1 year ago.
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Expert:  Mike S. replied 1 year ago.

Should this read "Hi Mike. I have a 2003 1500hd with random misfire issues. I have replaced many things but no change. At idle it stumbles but doesn't throw the code. Only above 2000 rpm it seems to run better. When driving in the rain or after washing it. I checked and cleaned all grounds. What am I missing? "