I have a 1999 7.3 F350 with 134,000 miles on it.I pull a 15k 5er. While pulling home today it felt as if I had a unbalanced wheel hop at 1300-1500 RPM. When I pulled off at the truck stop the idle is very shakey. At take-off there is a low RPM shutter/miss untill RPM is above 1500. I changed the fuel filter it was full of crap but didnt remedy the problem. It also makes a sqwheel type ChIRP sound on shut-down . So far I changed the oil-Ran 2 tanks of fuel with dieselclean and changed the CPS from gray-black. What should I do next??? Thanks John
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