[rws1012]

Thanks for the reply biketopia. Been wondering if O2 sensors could be bad. It has 4 on it. It idles just fine. Was going to try and find a mechanic that has a computer like they use to have in the good old days. LOL!! Have never changed O2 sensors or coils on this truck. Bought it new. One mechanic told me the O2 sensors should be changed at 30,000 miles. Don't know about that. Will get the muffler changed first. Will check into the EGR thing second. Thank you